update PuTTY to v.0.75

Release/v1.76

CHANGELOG.TXT

@@ -1,3 +1,130 @@
+1.76.20 (2019-04-12):
+
+Fixes:
+------
+#1401: Connections corrupted when importing RDC Manager files that are missing certain fields
+
+
+1.76.19 (2019-04-04):
+
+Fixes:
+------
+#1374: Vertical Scroll Bar missing in PuTTYNG after 0.70.0.1 & 0.71 updates
+
+
+1.76.18 (2019-03-20):
+
+Fixes:
+------
+#1365: PuTTY window not centered after 0.71 update
+
+
+1.76.17 (2019-03-20):
+
+Fixes:
+------
+#1362: Updated PuTTYNG to 0.71
+
+
+1.76.16 (2019-03-14):
+
+Fixes:
+------
+#1347: Remote Desktop Gateway username field encrypted instead of password
+
+
+1.76.15 (2019-03-09):
+
+Fixes:
+------
+#1303: Exception on first connection with new SQL server database
+#1304: Resolved several issues with importing multiple RDP Manager v2.7 files
+
+Features/Enhancements:
+----------------------
+Importing multiple files now only causes 1 save event, rather than 1 per file imported.
+
+
+1.76.14 (2019-02-08):
+
+Features/Enhancements:
+----------------------
+#222: Allow FIPS to be enabled
+
+
+1.76.13 (2018-12-22):
+
+Changes:
+--------
+#222: Pre-Release Test build for running on systems with FIPS Enabled
+
+
+1.76.12 (2018-11-08):
+
+Features/Enhancements:
+----------------------
+#1180: Allow saving certain connection properties locally when using database
+
+Fixes:
+------
+#1181: Connections sometimes dont immediately load when switching to sql feature
+#1173: Fixed memory leak when loading connections multiple times
+#1168: Autohide Connection and Config tab won't open when ssh connection active
+#1134: Fixed issue where opening a connection opens same connection on other clients when using database feature
+#449: Encrypt passwords saved to database
+
+
+1.76.11 (2018-10-18):
+
+Fixes:
+------
+#1139: Feature "Reconnect to previously opened sessions" not working
+#1136: Putty window not maximized
+
+
+1.76.10 (2018-10-07):
+
+Fixes:
+------
+#1124: Enabling themes causes an exception
+
+
+1.76.9 (2018-10-07):
+
+Fixes:
+------
+#1117: Duplicate panel created when "Reconnect on Startup" and "Create Empty Panel" settings enabled
+#1115: Exception when changing from xml data storage to SQL
+#1110: Pressing Delete button during connection rename attempts to delete the connection instead of the text
+#1106: Inheritance does not work when parent has C# default type set
+#1092: Invalid Cast Exceptions loading default connectioninfo 
+#1091: Minor themeing issues
+#853: Added some additional safety checks and logging to help address RDP crashes
+
+
+1.76.8 (2018-08-25):
+
+Fixes:
+------
+#1088: Delete and Launch buttons are not disabled when last external tool deleted
+#1087: 'Save connections after every edit' setting not honored
+#1082: Connections not given GUID if Id is empty in connection xml
+
+
+1.76.7 (2018-08-22):
+
+Fixes:
+------
+#1076: Wrong object selected when duplicating connection then switching between properties and inheritance in config window
+#1068: Fixed some toolbar positioning bugs
+
+
+1.76.6 (2018-08-03):
+
+Fixes:
+------
+#1062: Entering correct password when starting app does not load connections file
+
 1.76.5 (2018-08-02):
 
 Fixes:

CREDITS.TXT

@@ -24,6 +24,7 @@ github.com/pfjason
 github.com/sirLoaf
 github.com/Fyers
 Vladimir Semenov (github.com/sli-pro)
+Stephan (github.com/st-schuler)
 
 
 Past Contributors

Jenkinsfile_publish.groovy

@@ -62,11 +62,10 @@ node('windows') {
 	
     stage ('Publish to GitHub') {
         withCredentials([string(credentialsId: '5443a369-dbe8-42d3-b4e8-04d0b4e9039a', variable: 'GH_AUTH_TOKEN')]) {
-            def zipPath = "${jobDir}\\Release\\*.zip"
-            def msiPath = "${jobDir}\\Release\\*.msi"
+            def releaseFolder = "${jobDir}\\Release"
             // because batch files suck at handling newline characters, we have to convert to base64 in groovy and back to text in powershell
             def base64Description = env.ReleaseDescription.bytes.encodeBase64().toString()
-            bat "powershell -ExecutionPolicy Bypass -File \"${jobDir}\\Tools\\publish_to_github.ps1\" -Owner \"mRemoteNG\" -Repository \"mRemoteNG\" -ReleaseTitle \"${env.ReleaseTitle}\" -TagName \"${env.TagName}\" -TargetCommitish \"${env.TargetBranch}\" -Description \"${base64Description}\" -IsDraft ${env.IsDraft} -IsPrerelease ${env.IsPreRelease} -ZipFilePath \"${zipPath}\" -MsiFilePath \"${msiPath}\" -AuthToken \"${env.GH_AUTH_TOKEN}\" -DescriptionIsBase64Encoded"
+            bat "powershell -ExecutionPolicy Bypass -File \"${jobDir}\\Tools\\publish_to_github.ps1\" -Owner \"mRemoteNG\" -Repository \"mRemoteNG\" -ReleaseTitle \"${env.ReleaseTitle}\" -TagName \"${env.TagName}\" -TargetCommitish \"${env.TargetBranch}\" -Description \"${base64Description}\" -IsDraft ${env.IsDraft} -IsPrerelease ${env.IsPreRelease} -ReleaseFolderPath \"${releaseFolder}\" -AuthToken \"${env.GH_AUTH_TOKEN}\" -DescriptionIsBase64Encoded"
         }
     }
 }

Tools/github_functions.ps1

@@ -171,17 +171,26 @@ function Upload-GitHubReleaseAsset {
         [string]
         [Parameter(Mandatory=$true)]
         # The OAuth2 token to use for authentication.
-        $AuthToken
+        $AuthToken,
+
+        [string]
+        # A short description label for the asset
+        $Label = ""
     )
 
     $UploadUri = $UploadUri -replace "(\{[\w,\?]*\})$"
     $files = Get-Item -Path $FilePath
 
+    $labelParam = ""
+    if ($Label -ne "") {
+        $labelParam = "&label=$Label"
+    }
+
     # Get-Item could produce an array of files if a wildcard is provided. (C:\*.txt)
     # Upload each matching item individually
     foreach ($file in $files) {
         Write-Output "Uploading asset to GitHub release: '$($file.FullName)'"
-        $req_uploadZipAsset = Invoke-WebRequest -Uri "$($UploadUri)?name=$($file.Name)" -Method Post -Headers @{"Authorization"="token $AuthToken"} -ContentType $ContentType -InFile $file.FullName -ErrorAction Stop
+        $req_uploadZipAsset = Invoke-WebRequest -Uri "$($UploadUri)?name=$($file.Name)$labelParam" -Method Post -Headers @{"Authorization"="token $AuthToken"} -ContentType $ContentType -InFile $file.FullName -ErrorAction Stop
     }
 }
 

Tools/publish_to_github.ps1

@@ -43,13 +43,8 @@ param (
 
     [string]
     [Parameter(Mandatory=$true)]
-    # Path to the zip file to upload with the release
-    $ZipFilePath,
-
-    [string]
-    [Parameter(Mandatory=$true)]
-    #Path to the msi file to upload with the release
-    $MsiFilePath,
+    # Path to the folder which contains release assets to upload
+    $ReleaseFolderPath,
 
     [string]
     [Parameter(Mandatory=$true)]
@@ -70,7 +65,17 @@ if ($DescriptionIsBase64Encoded) {
 . "$PSScriptRoot\github_functions.ps1"
 
 
+$releaseFolderItems = Get-ChildItem -Path $ReleaseFolderPath
+$mrngPortablePath = ($releaseFolderItems | ?{$_.Name -match "portable-[\d\.]+\.zip"}).FullName
+$mrngNormalPath = ($releaseFolderItems | ?{$_.Name -match "installer-[\d\.]+\.msi"}).FullName
+$mrngPortableSymbolsPath = ($releaseFolderItems | ?{$_.Name -match "mremoteng-portable-symbols-[\d\.]+\.zip"}).FullName
+$mrngNormalSymbolsPath = ($releaseFolderItems | ?{$_.Name -match "mremoteng-symbols-[\d\.]+\.zip"}).FullName
+
+
 $release = Publish-GitHubRelease -Owner $Owner -Repository $Repository -ReleaseTitle $ReleaseTitle -TagName $TagName -TargetCommitish $TargetCommitish -Description $Description -IsDraft ([bool]::Parse($IsDraft)) -IsPrerelease ([bool]::Parse($IsPrerelease)) -AuthToken $AuthToken
-$zipUpload = Upload-GitHubReleaseAsset -UploadUri $release.upload_url -FilePath $ZipFilePath -ContentType "application/zip" -AuthToken $AuthToken
-$msiUpload = Upload-GitHubReleaseAsset -UploadUri $release.upload_url -FilePath $MsiFilePath -ContentType "application/octet-stream" -AuthToken $AuthToken
+$zipUpload = Upload-GitHubReleaseAsset -UploadUri $release.upload_url -FilePath $mrngPortablePath -ContentType "application/zip" -AuthToken $AuthToken -Label "Portable Edition (zip)"
+$msiUpload = Upload-GitHubReleaseAsset -UploadUri $release.upload_url -FilePath $mrngNormalPath -ContentType "application/octet-stream" -AuthToken $AuthToken -Label "Normal Edition (msi)"
+
+$portableEditionSymbols = Upload-GitHubReleaseAsset -UploadUri $release.upload_url -FilePath $mrngPortableSymbolsPath -ContentType "application/zip" -AuthToken $AuthToken -Label "Portable Edition Debug Symbols"
+$normalEditionSymbols = Upload-GitHubReleaseAsset -UploadUri $release.upload_url -FilePath $mrngNormalSymbolsPath -ContentType "application/zip" -AuthToken $AuthToken -Label "Normal Edition Debug Symbols"
 Write-Output (Get-GitHubRelease -Owner $Owner -Repository $Repository -ReleaseId $release.id -AuthToken $AuthToken)

mRemoteNGTests/App/ImportTests.cs

@@ -0,0 +1,47 @@
+using System.IO;
+using mRemoteNG.App;
+using mRemoteNG.Config.Putty;
+using mRemoteNG.Connection;
+using mRemoteNG.Container;
+using mRemoteNGTests.Properties;
+using mRemoteNGTests.TestHelpers;
+using NUnit.Framework;
+
+namespace mRemoteNGTests.App
+{
+	public class ImportTests
+	{
+		[Test]
+		public void ErrorHandlerCalledWhenUnsupportedFileExtensionFound()
+		{
+			using (FileTestHelpers.DisposableTempFile(out var file, ".blah"))
+			{
+				var conService = new ConnectionsService(PuttySessionsManager.Instance);
+				var container = new ContainerInfo();
+				var exceptionOccurred = false;
+
+				Import.HeadlessFileImport(new []{file}, container, conService, s => exceptionOccurred = true);
+
+				Assert.That(exceptionOccurred);
+			}
+		}
+
+		[Test]
+		public void AnErrorInOneFileDoNotPreventOtherFilesFromProcessing()
+		{
+			using (FileTestHelpers.DisposableTempFile(out var badFile, ".blah"))
+			using (FileTestHelpers.DisposableTempFile(out var rdpFile, ".rdp"))
+			{
+				File.AppendAllText(rdpFile, Resources.test_remotedesktopconnection_rdp);
+				var conService = new ConnectionsService(PuttySessionsManager.Instance);
+				var container = new ContainerInfo();
+				var exceptionCount = 0;
+				
+				Import.HeadlessFileImport(new[] { badFile, rdpFile }, container, conService, s => exceptionCount++);
+
+				Assert.That(exceptionCount, Is.EqualTo(1));
+				Assert.That(container.Children, Has.One.Items);
+			}
+		}
+	}
+}

mRemoteNGTests/Config/Serializers/DataTableDeserializerTests.cs

@@ -1,10 +1,12 @@
 using System.Data;
-using System.Linq;
-using mRemoteNG.Config.Serializers;
+using System.Security;
+using mRemoteNG.Config.Serializers.MsSql;
 using mRemoteNG.Connection;
 using mRemoteNG.Security;
+using mRemoteNG.Security.SymmetricEncryption;
 using mRemoteNG.Tree;
 using mRemoteNGTests.TestHelpers;
+using NSubstitute;
 using NUnit.Framework;
 
 namespace mRemoteNGTests.Config.Serializers
@@ -12,30 +14,37 @@ namespace mRemoteNGTests.Config.Serializers
     public class DataTableDeserializerTests
     {
         private DataTableDeserializer _deserializer;
+        private ICryptographyProvider _cryptographyProvider;
+
+        [SetUp]
+        public void Setup()
+        {
+            _cryptographyProvider = new LegacyRijndaelCryptographyProvider();
+        }
 
         [Test]
         public void WeCanDeserializeATree()
         {
             var model = CreateConnectionTreeModel();
             var dataTable = CreateDataTable(model.RootNodes[0]);
-            _deserializer = new DataTableDeserializer();
+            _deserializer = new DataTableDeserializer(_cryptographyProvider, new SecureString());
             var output = _deserializer.Deserialize(dataTable);
-            Assert.That(output.GetRecursiveChildList().Count(), Is.EqualTo(model.GetRecursiveChildList().Count()));
+            Assert.That(output.GetRecursiveChildList().Count, Is.EqualTo(model.GetRecursiveChildList().Count));
         }
 
         [Test]
         public void WeCanDeserializeASingleEntry()
         {
             var dataTable = CreateDataTable(new ConnectionInfo());
-            _deserializer = new DataTableDeserializer();
+            _deserializer = new DataTableDeserializer(_cryptographyProvider, new SecureString());
             var output = _deserializer.Deserialize(dataTable);
-            Assert.That(output.GetRecursiveChildList().Count(), Is.EqualTo(1));
+            Assert.That(output.GetRecursiveChildList().Count, Is.EqualTo(1));
         }
 
 
         private DataTable CreateDataTable(ConnectionInfo tableContent)
         {
-            var serializer = new DataTableSerializer(new SaveFilter());
+            var serializer = new DataTableSerializer(new SaveFilter(), _cryptographyProvider, new SecureString());
             return serializer.Serialize(tableContent);
         }
 

mRemoteNGTests/Config/Serializers/DataTableSerializerTests.cs

@@ -1,11 +1,15 @@
 using System.Linq;
+using System.Security;
 using mRemoteNG.Config.Serializers;
+using mRemoteNG.Config.Serializers.MsSql;
 using mRemoteNG.Connection;
 using mRemoteNG.Container;
 using mRemoteNG.Security;
+using mRemoteNG.Security.SymmetricEncryption;
 using mRemoteNG.Tree;
 using mRemoteNG.Tree.Root;
 using mRemoteNGTests.TestHelpers;
+using NSubstitute;
 using NUnit.Framework;
 
 namespace mRemoteNGTests.Config.Serializers
@@ -19,7 +23,10 @@ namespace mRemoteNGTests.Config.Serializers
         public void Setup()
         {
             _saveFilter = new SaveFilter();
-            _dataTableSerializer = new DataTableSerializer(_saveFilter);
+            _dataTableSerializer = new DataTableSerializer(
+                _saveFilter, 
+                new LegacyRijndaelCryptographyProvider(), 
+                new SecureString());
         }
 
         [Test]

mRemoteNGTests/Config/Serializers/MiscSerializers/RemoteDesktopConnectionManager27DeserializerTests.cs

@@ -1,20 +1,21 @@
-using System.IO;
+using System;
+using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using mRemoteNG.Config.Serializers;
+using mRemoteNG.Connection;
 using mRemoteNG.Connection.Protocol;
 using mRemoteNG.Connection.Protocol.RDP;
 using mRemoteNG.Container;
-using mRemoteNG.Tree;
 using mRemoteNGTests.Properties;
 using NUnit.Framework;
 
 namespace mRemoteNGTests.Config.Serializers.MiscSerializers
 {
-    public class RemoteDesktopConnectionManager27DeserializerTests
+	public class RemoteDesktopConnectionManager27DeserializerTests
     {
         private string _connectionFileContents;
         private RemoteDesktopConnectionManagerDeserializer _deserializer;
-        private ConnectionTreeModel _connectionTreeModel;
         private const string ExpectedName = "server1_displayname";
         private const string ExpectedHostname = "server1";
         private const string ExpectedDescription = "Comment text here";
@@ -44,265 +45,80 @@ namespace mRemoteNGTests.Config.Serializers.MiscSerializers
         {
             _connectionFileContents = Resources.test_rdcman_v2_7_schema3;
             _deserializer = new RemoteDesktopConnectionManagerDeserializer();
-            _connectionTreeModel = _deserializer.Deserialize(_connectionFileContents);
         }
 
         [Test]
         public void ConnectionTreeModelHasARootNode()
         {
-            var numberOfRootNodes = _connectionTreeModel.RootNodes.Count;
+	        var connectionTreeModel = _deserializer.Deserialize(_connectionFileContents);
+			var numberOfRootNodes = connectionTreeModel.RootNodes.Count;
             Assert.That(numberOfRootNodes, Is.GreaterThan(0));
         }
 
         [Test]
         public void RootNodeHasContents()
         {
-            var rootNodeContents = _connectionTreeModel.RootNodes.First().Children;
+	        var connectionTreeModel = _deserializer.Deserialize(_connectionFileContents);
+			var rootNodeContents = connectionTreeModel.RootNodes.First().Children;
             Assert.That(rootNodeContents, Is.Not.Empty);
         }
 
         [Test]
         public void AllSubRootFoldersImported()
         {
-            var rootNode = _connectionTreeModel.RootNodes.First();
+	        var connectionTreeModel = _deserializer.Deserialize(_connectionFileContents);
+			var rootNode = connectionTreeModel.RootNodes.First();
             var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
             var rootNodeContents = importedRdcmanRootNode.Children.Count(node => node.Name == "Group1" || node.Name == "Group2");
             Assert.That(rootNodeContents, Is.EqualTo(2));
         }
 
-        [Test]
-        public void ConnectionDisplayNameImported()
+        [TestCaseSource(nameof(ExpectedPropertyValues))]
+        public void PropertiesWithValuesAreCorrectlyImported(Func<ConnectionInfo, object> propSelector, object expectedValue)
         {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Name, Is.EqualTo(ExpectedName));
+	        var connectionTreeModel = _deserializer.Deserialize(_connectionFileContents);
+
+			var connection = connectionTreeModel
+				.GetRecursiveChildList()
+				.OfType<ContainerInfo>()
+				.First(node => node.Name == "Group1")
+				.Children
+				.First();
+
+            Assert.That(propSelector(connection), Is.EqualTo(expectedValue));
         }
 
-        [Test]
-        public void ConnectionHostnameImported()
+		[TestCaseSource(nameof(NullPropertyValues))]
+        public void PropertiesWithoutValuesAreIgnored(Func<ConnectionInfo, object> propSelector)
         {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Hostname, Is.EqualTo(ExpectedHostname));
+	        var connectionTreeModel = _deserializer.Deserialize(Resources.test_rdcman_v2_7_schema3_empty_values);
+
+	        var importedConnection = connectionTreeModel
+		        .GetRecursiveChildList()
+		        .OfType<ContainerInfo>()
+		        .First(node => node.Name == "Group1")
+		        .Children
+		        .First();
+
+			Assert.That(propSelector(importedConnection), Is.EqualTo(propSelector(new ConnectionInfo())));
         }
 
-        [Test]
-        public void ConnectionDescriptionImported()
+        [TestCaseSource(nameof(NullPropertyValues))]
+        public void NonExistantPropertiesAreIgnored(Func<ConnectionInfo, object> propSelector)
         {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Description, Is.EqualTo(ExpectedDescription));
+	        var connectionTreeModel = _deserializer.Deserialize(Resources.test_rdcman_v2_7_schema3_null_values);
+
+	        var importedConnection = connectionTreeModel
+		        .GetRecursiveChildList()
+		        .OfType<ContainerInfo>()
+		        .First(node => node.Name == "Group1")
+		        .Children
+		        .First();
+
+	        Assert.That(propSelector(importedConnection), Is.EqualTo(propSelector(new ConnectionInfo())));
         }
 
-        [Test]
-        public void ConnectionUsernameImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Username, Is.EqualTo(ExpectedUsername));
-        }
-
-        [Test]
-        public void ConnectionDomainImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Domain, Is.EqualTo(ExpectedDomain));
-        }
-
-        // Since password is encrypted with a machine key, cant test decryption on another machine
-        //[Test]
-        //public void ConnectionPasswordImported()
-        //{
-        //    var rootNode = _connectionTreeModel.RootNodes.First();
-        //    var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-        //    var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-        //    var connection = group1.Children.First();
-        //    Assert.That(connection.Password, Is.EqualTo(ExpectedPassword));
-        //}
-
-        [Test]
-        public void ConnectionProtocolSetToRdp()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Protocol, Is.EqualTo(ProtocolType.RDP));
-        }
-
-        [Test]
-        public void ConnectionUseConsoleSessionImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.UseConsoleSession, Is.EqualTo(ExpectedUseConsoleSession));
-        }
-
-        [Test]
-        public void ConnectionPortImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Port, Is.EqualTo(ExpectedPort));
-        }
-
-        [Test]
-        public void ConnectionGatewayUsageMethodImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RDGatewayUsageMethod, Is.EqualTo(ExpectedGatewayUsageMethod));
-        }
-
-        [Test]
-        public void ConnectionGatewayHostnameImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RDGatewayHostname, Is.EqualTo(ExpectedGatewayHostname));
-        }
-
-        [Test]
-        public void ConnectionGatewayUsernameImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RDGatewayUsername, Is.EqualTo(ExpectedGatewayUsername));
-        }
-
-        // Since password is encrypted with a machine key, cant test decryption on another machine
-        //[Test]
-        //public void ConnectionGatewayPasswordImported()
-        //{
-        //    var rootNode = _connectionTreeModel.RootNodes.First();
-        //    var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-        //    var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-        //    var connection = group1.Children.First();
-        //    Assert.That(connection.RDGatewayPassword, Is.EqualTo(ExpectedGatewayPassword));
-        //}
-
-        [Test]
-        public void ConnectionGatewayDomainImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RDGatewayDomain, Is.EqualTo(ExpectedGatewayDomain));
-        }
-
-        [Test]
-        public void ConnectionResolutionImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Resolution, Is.EqualTo(ExpectedRdpResolution));
-        }
-
-        [Test]
-        public void ConnectionColorDepthImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.Colors, Is.EqualTo(ExpectedRdpColorDepth));
-        }
-
-        [Test]
-        public void ConnectionAudioRedirectionImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RedirectSound, Is.EqualTo(ExpectedAudioRedirection));
-        }
-
-        [Test]
-        public void ConnectionKeyRedirectionImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RedirectKeys, Is.EqualTo(ExpectedKeyRedirection));
-        }
-
-        [Test]
-        public void ConnectionDriveRedirectionImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RedirectDiskDrives, Is.EqualTo(ExpectedDriveRedirection));
-        }
-
-        [Test]
-        public void ConnectionPortRedirectionImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RedirectPorts, Is.EqualTo(ExpectedPortRedirection));
-        }
-
-        [Test]
-        public void ConnectionPrinterRedirectionImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RedirectPrinters, Is.EqualTo(ExpectedPrinterRedirection));
-        }
-
-        [Test]
-        public void ConnectionSmartcardRedirectionImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RedirectSmartCards, Is.EqualTo(ExpectedSmartcardRedirection));
-        }
-
-        [Test]
-        public void ConnectionauthenticationLevelImported()
-        {
-            var rootNode = _connectionTreeModel.RootNodes.First();
-            var importedRdcmanRootNode = rootNode.Children.OfType<ContainerInfo>().First();
-            var group1 = importedRdcmanRootNode.Children.OfType<ContainerInfo>().First(node => node.Name == "Group1");
-            var connection = group1.Children.First();
-            Assert.That(connection.RDPAuthenticationLevel, Is.EqualTo(ExpectedAuthLevel));
-        }
-
-        [Test]
+		[Test]
         public void ExceptionThrownOnBadSchemaVersion()
         {
             var badFileContents = Resources.test_rdcman_v2_2_badschemaversion;
@@ -322,5 +138,61 @@ namespace mRemoteNGTests.Config.Serializers.MiscSerializers
             var badFileContents = Resources.test_rdcman_noversion;
             Assert.That(() => _deserializer.Deserialize(badFileContents), Throws.TypeOf<FileFormatException>());
         }
+
+        private static IEnumerable<TestCaseData> ExpectedPropertyValues()
+        {
+	        return new[]
+	        {
+		        new TestCaseData((Func<ConnectionInfo,object>)(con => con.Name), ExpectedName).SetName(nameof(ConnectionInfo.Name)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Hostname), ExpectedHostname).SetName(nameof(ConnectionInfo.Hostname)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Description), ExpectedDescription).SetName(nameof(ConnectionInfo.Description)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Username), ExpectedUsername).SetName(nameof(ConnectionInfo.Username)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Domain), ExpectedDomain).SetName(nameof(ConnectionInfo.Domain)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Protocol), ProtocolType.RDP).SetName(nameof(ConnectionInfo.Protocol)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.UseConsoleSession), ExpectedUseConsoleSession).SetName(nameof(ConnectionInfo.UseConsoleSession)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Port), ExpectedPort).SetName(nameof(ConnectionInfo.Port)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDGatewayUsageMethod), ExpectedGatewayUsageMethod).SetName(nameof(ConnectionInfo.RDGatewayUsageMethod)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDGatewayHostname), ExpectedGatewayHostname).SetName(nameof(ConnectionInfo.RDGatewayHostname)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDGatewayUsername), ExpectedGatewayUsername).SetName(nameof(ConnectionInfo.RDGatewayUsername)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDGatewayDomain), ExpectedGatewayDomain).SetName(nameof(ConnectionInfo.RDGatewayDomain)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Resolution), ExpectedRdpResolution).SetName(nameof(ConnectionInfo.Resolution)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Colors), ExpectedRdpColorDepth).SetName(nameof(ConnectionInfo.Colors)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectSound), ExpectedAudioRedirection).SetName(nameof(ConnectionInfo.RedirectSound)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectKeys), ExpectedKeyRedirection).SetName(nameof(ConnectionInfo.RedirectKeys)),
+		        new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDPAuthenticationLevel), ExpectedAuthLevel).SetName(nameof(ConnectionInfo.RDPAuthenticationLevel)),
+		        new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectSmartCards), ExpectedSmartcardRedirection).SetName(nameof(ConnectionInfo.RedirectSmartCards)),
+		        new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectPrinters), ExpectedPrinterRedirection).SetName(nameof(ConnectionInfo.RedirectPrinters)),
+		        new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectPorts), ExpectedPortRedirection).SetName(nameof(ConnectionInfo.RedirectPorts)),
+		        new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectDiskDrives), ExpectedDriveRedirection).SetName(nameof(ConnectionInfo.RedirectDiskDrives)),
+			};
+        }
+
+        private static IEnumerable<TestCaseData> NullPropertyValues()
+        {
+			return new[]
+			{
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Name)).SetName(nameof(ConnectionInfo.Name)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Hostname)).SetName(nameof(ConnectionInfo.Hostname)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Description)).SetName(nameof(ConnectionInfo.Description)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Username)).SetName(nameof(ConnectionInfo.Username)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Domain)).SetName(nameof(ConnectionInfo.Domain)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Protocol)).SetName(nameof(ConnectionInfo.Protocol)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.UseConsoleSession)).SetName(nameof(ConnectionInfo.UseConsoleSession)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Port)).SetName(nameof(ConnectionInfo.Port)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDGatewayUsageMethod)).SetName(nameof(ConnectionInfo.RDGatewayUsageMethod)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDGatewayHostname)).SetName(nameof(ConnectionInfo.RDGatewayHostname)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDGatewayUsername)).SetName(nameof(ConnectionInfo.RDGatewayUsername)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDGatewayDomain)).SetName(nameof(ConnectionInfo.RDGatewayDomain)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Resolution)).SetName(nameof(ConnectionInfo.Resolution)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.Colors)).SetName(nameof(ConnectionInfo.Colors)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectSound)).SetName(nameof(ConnectionInfo.RedirectSound)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectKeys)).SetName(nameof(ConnectionInfo.RedirectKeys)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RDPAuthenticationLevel)).SetName(nameof(ConnectionInfo.RDPAuthenticationLevel)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectSmartCards)).SetName(nameof(ConnectionInfo.RedirectSmartCards)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectPrinters)).SetName(nameof(ConnectionInfo.RedirectPrinters)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectPorts)).SetName(nameof(ConnectionInfo.RedirectPorts)),
+				new TestCaseData((Func<ConnectionInfo,object>)(con => con.RedirectDiskDrives)).SetName(nameof(ConnectionInfo.RedirectDiskDrives)),
+			};
+		}
     }
 }

mRemoteNGTests/Connection/ConnectionInfoInheritanceTests.cs

@@ -1,8 +1,9 @@
 using mRemoteNG.Connection;
+using mRemoteNG.Container;
 using NUnit.Framework;
-using System.Reflection;
 using System.Collections;
 using System.Linq;
+using System.Reflection;
 
 namespace mRemoteNGTests.Connection
 {
@@ -74,6 +75,22 @@ namespace mRemoteNGTests.Connection
             Assert.That(hasEverythingInheritedProperty, Is.False);
         }
 
+        [Test]
+        public void AlwaysReturnInheritedValueIfRequested()
+        {
+            var expectedSetting = false;
+
+            var container = new ContainerInfo { AutomaticResize = expectedSetting };
+            var con1 = new ConnectionInfo
+            {
+                AutomaticResize = true,
+                Inheritance = {AutomaticResize = true}
+            };
+            container.AddChild(con1);
+
+            Assert.That(con1.AutomaticResize, Is.EqualTo(expectedSetting));
+        }
+
         private bool AllInheritancePropertiesAreTrue()
         {
             var allPropertiesTrue = true;

mRemoteNGTests/Connection/ConnectionInfoTests.cs

@@ -43,6 +43,20 @@ namespace mRemoteNGTests.Connection
             Assert.That(clonedConnection.Parent, Is.Null);
         }
 
+        [Test]
+        public void CloneAlsoCopiesInheritanceObject()
+        {
+            var clonedConnection = _connectionInfo.Clone();
+            Assert.That(clonedConnection.Inheritance, Is.Not.EqualTo(_connectionInfo.Inheritance));
+        }
+
+        [Test]
+        public void CloneCorrectlySetsParentOfInheritanceObject()
+        {
+            var clonedConnection = _connectionInfo.Clone();
+            Assert.That(clonedConnection.Inheritance.Parent, Is.EqualTo(clonedConnection));
+        }
+
         [Test]
         public void CopyFromCopiesProperties()
         {

mRemoteNGTests/IntegrationTests/XmlSerializationLifeCycleTests.cs

@@ -1,4 +1,6 @@
-using System.Linq;
+using System;
+using System.Linq;
+using System.Xml.Linq;
 using mRemoteNG.Config.Serializers;
 using mRemoteNG.Config.Serializers.Xml;
 using mRemoteNG.Connection;
@@ -29,20 +31,19 @@ namespace mRemoteNGTests.IntegrationTests
                 _originalModel.RootNodes.OfType<RootNodeInfo>().First().PasswordString.ConvertToSecureString(),
                 new SaveFilter());
             _serializer = new XmlConnectionsSerializer(cryptoProvider, nodeSerializer);
+            _deserializer = new XmlConnectionsDeserializer();
         }
 
         [TearDown]
         public void Teardown()
         {
             _serializer = null;
-            _deserializer = null;
         }
 
         [Test]
         public void SerializeThenDeserialize()
         {
             var serializedContent = _serializer.Serialize(_originalModel);
-            _deserializer = new XmlConnectionsDeserializer();
             var deserializedModel = _deserializer.Deserialize(serializedContent);
             var nodeNamesFromDeserializedModel = deserializedModel.GetRecursiveChildList().Select(node => node.Name);
             var nodeNamesFromOriginalModel = _originalModel.GetRecursiveChildList().Select(node => node.Name);
@@ -54,7 +55,6 @@ namespace mRemoteNGTests.IntegrationTests
         {
             _serializer.UseFullEncryption = true;
             var serializedContent = _serializer.Serialize(_originalModel);
-            _deserializer = new XmlConnectionsDeserializer();
             var deserializedModel = _deserializer.Deserialize(serializedContent);
             var nodeNamesFromDeserializedModel = deserializedModel.GetRecursiveChildList().Select(node => node.Name);
             var nodeNamesFromOriginalModel = _originalModel.GetRecursiveChildList().Select(node => node.Name);
@@ -66,7 +66,6 @@ namespace mRemoteNGTests.IntegrationTests
         {
             var originalConnectionInfo = new ConnectionInfo {Name = "con1", Description = "£°úg¶┬ä" };
             var serializedContent = _serializer.Serialize(originalConnectionInfo);
-            _deserializer = new XmlConnectionsDeserializer();
             var deserializedModel = _deserializer.Deserialize(serializedContent);
             var deserializedConnectionInfo = deserializedModel.GetRecursiveChildList().First(node => node.Name == originalConnectionInfo.Name);
             Assert.That(deserializedConnectionInfo.Description, Is.EqualTo(originalConnectionInfo.Description));
@@ -84,13 +83,26 @@ namespace mRemoteNGTests.IntegrationTests
                 new SaveFilter());
             _serializer = new XmlConnectionsSerializer(cryptoProvider, nodeSerializer);
             var serializedContent = _serializer.Serialize(_originalModel);
-            _deserializer = new XmlConnectionsDeserializer();
             var deserializedModel = _deserializer.Deserialize(serializedContent);
             var nodeNamesFromDeserializedModel = deserializedModel.GetRecursiveChildList().Select(node => node.Name);
             var nodeNamesFromOriginalModel = _originalModel.GetRecursiveChildList().Select(node => node.Name);
             Assert.That(nodeNamesFromDeserializedModel, Is.EquivalentTo(nodeNamesFromOriginalModel));
         }
 
+        [Test]
+        public void GuidCreatedIfNonExistedInXml()
+        {
+            var originalConnectionInfo = new ConnectionInfo { Name = "con1" };
+            var serializedContent = _serializer.Serialize(originalConnectionInfo);
+
+            // remove GUID from connection xml
+            serializedContent = serializedContent.Replace(originalConnectionInfo.ConstantID, "");
+
+            var deserializedModel = _deserializer.Deserialize(serializedContent);
+            var deserializedConnectionInfo = deserializedModel.GetRecursiveChildList().First(node => node.Name == originalConnectionInfo.Name);
+            Assert.That(Guid.TryParse(deserializedConnectionInfo.ConstantID, out var guid));
+        }
+
 
         private ConnectionTreeModel SetupConnectionTreeModel()
         {

mRemoteNGTests/Properties/Resources.Designer.cs

@@ -298,6 +298,58 @@ namespace mRemoteNGTests.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to &lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;
+        ///&lt;RDCMan programVersion=&quot;2.7&quot; schemaVersion=&quot;3&quot;&gt;
+        ///  &lt;file&gt;
+        ///    &lt;credentialsProfiles /&gt;
+        ///    &lt;properties&gt;
+        ///      &lt;expanded&gt;True&lt;/expanded&gt;
+        ///      &lt;name&gt;test_RDCMan_connections&lt;/name&gt;
+        ///    &lt;/properties&gt;
+        ///    &lt;smartGroup&gt;
+        ///      &lt;properties&gt;
+        ///        &lt;expanded&gt;False&lt;/expanded&gt;
+        ///        &lt;name&gt;AllServers&lt;/name&gt;
+        ///      &lt;/properties&gt;
+        ///      &lt;ruleGroup operator=&quot;All&quot;&gt;
+        ///        &lt;rule&gt;
+        ///          &lt;property&gt;DisplayName&lt;/property&gt;
+        ///          &lt;operator&gt;Matches&lt;/operator&gt;
+        ///         [rest of string was truncated]&quot;;.
+        /// </summary>
+        internal static string test_rdcman_v2_7_schema3_empty_values {
+            get {
+                return ResourceManager.GetString("test_rdcman_v2_7_schema3_empty_values", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to &lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;
+        ///&lt;RDCMan programVersion=&quot;2.7&quot; schemaVersion=&quot;3&quot;&gt;
+        ///  &lt;file&gt;
+        ///    &lt;credentialsProfiles /&gt;
+        ///    &lt;properties&gt;
+        ///      &lt;expanded&gt;True&lt;/expanded&gt;
+        ///      &lt;name&gt;test_RDCMan_connections&lt;/name&gt;
+        ///    &lt;/properties&gt;
+        ///    &lt;smartGroup&gt;
+        ///      &lt;properties&gt;
+        ///        &lt;expanded&gt;False&lt;/expanded&gt;
+        ///        &lt;name&gt;AllServers&lt;/name&gt;
+        ///      &lt;/properties&gt;
+        ///      &lt;ruleGroup operator=&quot;All&quot;&gt;
+        ///        &lt;rule&gt;
+        ///          &lt;property&gt;DisplayName&lt;/property&gt;
+        ///          &lt;operator&gt;Matches&lt;/operator&gt;
+        ///         [rest of string was truncated]&quot;;.
+        /// </summary>
+        internal static string test_rdcman_v2_7_schema3_null_values {
+            get {
+                return ResourceManager.GetString("test_rdcman_v2_7_schema3_null_values", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to screen mode id:i:1
         ///use multimon:i:0

mRemoteNGTests/Properties/Resources.resx

@@ -172,6 +172,12 @@
   <data name="test_rdcman_v2_7_schema3" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\test_RDCMan_v2_7_schema3.rdg;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8</value>
   </data>
+  <data name="test_rdcman_v2_7_schema3_empty_values" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\test_rdcman_v2_7_schema3_empty_values.rdg;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8</value>
+  </data>
+  <data name="test_rdcman_v2_7_schema3_null_values" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\test_rdcman_v2_7_schema3_null_values.rdg;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8</value>
+  </data>
   <data name="test_remotedesktopconnection_rdp" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\test_remotedesktopconnection.rdp;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-16</value>
   </data>

mRemoteNGTests/Resources/test_rdcman_v2_7_schema3_empty_values.rdg

@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RDCMan programVersion="2.7" schemaVersion="3">
+  <file>
+    <credentialsProfiles />
+    <properties>
+      <expanded>True</expanded>
+      <name>test_RDCMan_connections</name>
+    </properties>
+    <smartGroup>
+      <properties>
+        <expanded>False</expanded>
+        <name>AllServers</name>
+      </properties>
+      <ruleGroup operator="All">
+        <rule>
+          <property>DisplayName</property>
+          <operator>Matches</operator>
+          <value>server</value>
+        </rule>
+      </ruleGroup>
+    </smartGroup>
+    <group>
+      <properties>
+        <expanded>True</expanded>
+        <name>Group1</name>
+      </properties>
+      <server>
+        <properties>
+          <displayName></displayName>
+          <name></name>
+          <comment></comment>
+        </properties>
+        <logonCredentials inherit="None">
+          <profileName scope="Local"></profileName>
+          <userName></userName>
+          <password></password>
+          <domain></domain>
+        </logonCredentials>
+        <connectionSettings inherit="None">
+          <connectToConsole></connectToConsole>
+          <startProgram />
+          <workingDir />
+          <port></port>
+          <loadBalanceInfo />
+        </connectionSettings>
+        <gatewaySettings inherit="None">
+          <enabled></enabled>
+          <hostName></hostName>
+          <logonMethod></logonMethod>
+          <localBypass></localBypass>
+          <credSharing></credSharing>
+          <profileName scope="Local"></profileName>
+          <userName></userName>
+          <password />
+          <domain></domain>
+        </gatewaySettings>
+        <remoteDesktop inherit="None">
+          <sameSizeAsClientArea></sameSizeAsClientArea>
+          <fullScreen></fullScreen>
+          <colorDepth></colorDepth>
+        </remoteDesktop>
+        <localResources inherit="None">
+          <audioRedirection></audioRedirection>
+          <audioRedirectionQuality></audioRedirectionQuality>
+          <audioCaptureRedirection></audioCaptureRedirection>
+          <keyboardHook></keyboardHook>
+          <redirectClipboard></redirectClipboard>
+          <redirectDrives></redirectDrives>
+          <redirectDrivesList>
+            <item></item>
+            <item></item>
+            <item></item>
+            <item></item>
+            <item></item>
+          </redirectDrivesList>
+          <redirectPrinters></redirectPrinters>
+          <redirectPorts></redirectPorts>
+          <redirectSmartCards></redirectSmartCards>
+          <redirectPnpDevices></redirectPnpDevices>
+        </localResources>
+        <displaySettings inherit="None">
+          <thumbnailScale></thumbnailScale>
+          <smartSizeDockedWindows></smartSizeDockedWindows>
+          <smartSizeUndockedWindows></smartSizeUndockedWindows>
+        </displaySettings>
+        <securitySettings inherit="None">
+          <authentication></authentication>
+        </securitySettings>
+      </server>
+    </group>
+  </file>
+  <connected />
+  <favorites />
+  <recentlyUsed />
+</RDCMan>

mRemoteNGTests/Resources/test_rdcman_v2_7_schema3_null_values.rdg

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RDCMan programVersion="2.7" schemaVersion="3">
+  <file>
+    <credentialsProfiles />
+    <properties>
+      <expanded>True</expanded>
+      <name>test_RDCMan_connections</name>
+    </properties>
+    <smartGroup>
+      <properties>
+        <expanded>False</expanded>
+        <name>AllServers</name>
+      </properties>
+      <ruleGroup operator="All">
+        <rule>
+          <property>DisplayName</property>
+          <operator>Matches</operator>
+          <value>server</value>
+        </rule>
+      </ruleGroup>
+    </smartGroup>
+    <group>
+      <properties>
+        <expanded>True</expanded>
+        <name>Group1</name>
+      </properties>
+      <server>
+        <properties>
+        </properties>
+        <logonCredentials inherit="None">
+        </logonCredentials>
+        <connectionSettings inherit="None">
+        </connectionSettings>
+        <gatewaySettings inherit="None">
+        </gatewaySettings>
+        <remoteDesktop inherit="None">
+        </remoteDesktop>
+        <localResources inherit="None">
+        </localResources>
+        <displaySettings inherit="None">
+        </displaySettings>
+        <securitySettings inherit="None">
+        </securitySettings>
+      </server>
+    </group>
+  </file>
+  <connected />
+  <favorites />
+  <recentlyUsed />
+</RDCMan>

mRemoteNGTests/TestHelpers/FileTestHelpers.cs

@@ -1,4 +1,5 @@
 using System.IO;
+using mRemoteNG.Tools;
 
 namespace mRemoteNGTests.TestHelpers
 {
@@ -18,9 +19,17 @@ namespace mRemoteNGTests.TestHelpers
                     File.Delete(file);
         }
 
-        public static string NewTempFilePath()
+        public static void DeleteDirectory(string directory)
+        {
+			if (Directory.Exists(directory))
+				Directory.Delete(directory, true);
+        }
+
+        public static string NewTempFilePath(string extension = "")
         {
             var newPath = Path.Combine(GetTestSpecificTempDirectory(), Path.GetRandomFileName());
+            if (!string.IsNullOrWhiteSpace(extension))
+	            newPath = newPath + extension;
             var folderPath = Path.GetDirectoryName(newPath);
             if (!Directory.Exists(folderPath))
                 Directory.CreateDirectory(folderPath);
@@ -35,5 +44,15 @@ namespace mRemoteNGTests.TestHelpers
         {
             return Path.Combine(Path.GetTempPath(), "mRemoteNGTests", Path.GetRandomFileName());
         }
+
+		public static DisposableAction DisposableTempFile(out string filePath, string extension = "")
+		{
+			var file = NewTempFilePath(extension);
+			filePath = file;
+			File.AppendAllText(file, "");
+			return new DisposableAction(
+				() => {}, 
+				() => DeleteDirectory(Path.GetDirectoryName(file)));
+		}
     }
 }

mRemoteNGTests/Tools/DisposableActionTests.cs

@@ -0,0 +1,42 @@
+using mRemoteNG.Tools;
+using NUnit.Framework;
+
+namespace mRemoteNGTests.Tools
+{
+	public class DisposableActionTests
+	{
+		[Test]
+		public void InitializerActionRunsWhenObjectIsCreated()
+		{
+			var initializerRan = false;
+			new DisposableAction(() => initializerRan = true, () => { });
+
+			Assert.That(initializerRan);
+		}
+
+		[Test]
+		public void DisposalActionRunsWhenDisposeIsCalled()
+		{
+			var disposeActionRan = false;
+			var action = new DisposableAction(() => {}, () => disposeActionRan = true);
+
+			Assert.That(disposeActionRan, Is.False);
+			action.Dispose();
+			Assert.That(disposeActionRan, Is.True);
+		}
+
+		[Test]
+		public void DisposeActionOnlyExecutedOnceWhenCallingDisposeMultipleTimes()
+		{
+			var invokeCount = 0;
+			var action = new DisposableAction(() => { }, () => invokeCount++);
+
+			action.Dispose();
+			action.Dispose();
+			action.Dispose();
+			action.Dispose();
+			action.Dispose();
+			Assert.That(invokeCount, Is.EqualTo(1));
+		}
+	}
+}

mRemoteNGTests/mRemoteNGTests.csproj

@@ -108,6 +108,7 @@
     </Otherwise>
   </Choose>
   <ItemGroup>
+    <Compile Include="App\ImportTests.cs" />
     <Compile Include="App\UpdaterTests.cs" />
     <Compile Include="BinaryFileTests.cs" />
     <Compile Include="Config\Connections\Multiuser\ConnectionsUpdateAvailableEventArgsTests.cs" />
@@ -175,6 +176,7 @@
     <Compile Include="Security\XmlCryptoProviderBuilderTests.cs" />
     <Compile Include="TestHelpers\FileTestHelpers.cs" />
     <Compile Include="TestHelpers\SerializableConnectionInfoAllPropertiesOfType.cs" />
+    <Compile Include="Tools\DisposableActionTests.cs" />
     <Compile Include="Tools\ExternalToolsArgumentParserTests.cs" />
     <Compile Include="Tools\FullyObservableCollectionTests.cs" />
     <Compile Include="Tools\OptionalTests.cs" />
@@ -265,6 +267,8 @@
     <None Include="Resources\test_rdcman_v2_2_badschemaversion.rdg" />
     <None Include="Resources\test_rdcman_v2_2_schema1.rdg" />
     <None Include="Resources\test_RDCMan_v2_7_schema3.rdg" />
+    <None Include="Resources\test_rdcman_v2_7_schema3_empty_values.rdg" />
+    <None Include="Resources\test_rdcman_v2_7_schema3_null_values.rdg" />
     <None Include="Resources\test_remotedesktopconnection.rdp" />
   </ItemGroup>
   <ItemGroup>

mRemoteV1/App/CompatibilityChecker.cs

@@ -19,13 +19,29 @@ namespace mRemoteNG.App
 
         private static void CheckFipsPolicy(MessageCollector messageCollector)
         {
+            if (Settings.Default.OverrideFIPSCheck)
+            {
+                messageCollector.AddMessage(MessageClass.InformationMsg, "OverrideFIPSCheck is set. Will skip check...", true);
+                return;
+            }
+
             messageCollector.AddMessage(MessageClass.InformationMsg, "Checking FIPS Policy...", true);
             if (!FipsPolicyEnabledForServer2003() && !FipsPolicyEnabledForServer2008AndNewer()) return;
-            var errorText = string.Format(Language.strErrorFipsPolicyIncompatible, GeneralAppInfo.ProductName,
-                GeneralAppInfo.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
+
+            var errorText = string.Format(Language.strErrorFipsPolicyIncompatible, GeneralAppInfo.ProductName);
             messageCollector.AddMessage(MessageClass.ErrorMsg, errorText, true);
-            MessageBox.Show(FrmMain.Default, errorText);
-            Environment.Exit(1);
+
+            var ShouldIStayOrShouldIGo = CTaskDialog.MessageBox(Application.ProductName, Language.strCompatibilityProblemDetected, errorText, "", "", Language.strCheckboxDoNotShowThisMessageAgain, ETaskDialogButtons.OkCancel, ESysIcons.Warning, ESysIcons.Warning);
+            if (CTaskDialog.VerificationChecked && ShouldIStayOrShouldIGo == DialogResult.OK)
+            {
+                messageCollector.AddMessage(MessageClass.ErrorMsg, "User requests that FIPS check be overridden", true);
+                Settings.Default.OverrideFIPSCheck = true;
+                Settings.Default.Save();
+                return;
+            }
+
+            if (ShouldIStayOrShouldIGo == DialogResult.Cancel)
+                Environment.Exit(1);
         }
 
         private static bool FipsPolicyEnabledForServer2003()

mRemoteV1/App/Import.cs

@@ -3,13 +3,14 @@ using System.Collections.Generic;
 using System.IO;
 using System.Windows.Forms;
 using mRemoteNG.Config.Import;
+using mRemoteNG.Connection;
 using mRemoteNG.Connection.Protocol;
 using mRemoteNG.Container;
 using mRemoteNG.Tools;
 
 namespace mRemoteNG.App
 {
-    public static class Import
+	public static class Import
     {
         public static void ImportFromFile(ContainerInfo importDestinationContainer)
         {
@@ -35,22 +36,12 @@ namespace mRemoteNG.App
                     if (openFileDialog.ShowDialog() != DialogResult.OK)
                         return;
 
-                    foreach (var fileName in openFileDialog.FileNames)
-                    {
-                        try
-                        {
-                            var importer = BuildConnectionImporterFromFileExtension(fileName);
-                            importer.Import(fileName, importDestinationContainer);
-                        }
-                        catch (Exception ex)
-                        {
-                            MessageBox.Show(string.Format(Language.strImportFileFailedContent, fileName), Language.strImportFileFailedMainInstruction,
-                                            MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
-                            Runtime.MessageCollector.AddExceptionMessage("Unable to import file.", ex);
-                        }
-                    }
-
-                    Runtime.ConnectionsService.SaveConnectionsAsync();
+					HeadlessFileImport(
+						openFileDialog.FileNames, 
+						importDestinationContainer, 
+						Runtime.ConnectionsService,
+						fileName => MessageBox.Show(string.Format(Language.strImportFileFailedContent, fileName), Language.strImportFileFailedMainInstruction,
+							MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1));
                 }
             }
             catch (Exception ex)
@@ -59,12 +50,38 @@ namespace mRemoteNG.App
             }
         }
 
+        public static void HeadlessFileImport(
+	        IEnumerable<string> filePaths, 
+	        ContainerInfo importDestinationContainer, 
+	        ConnectionsService connectionsService,
+	        Action<string> exceptionAction = null)
+        {
+	        using (connectionsService.BatchedSavingContext())
+	        {
+		        foreach (var fileName in filePaths)
+		        {
+			        try
+			        {
+				        var importer = BuildConnectionImporterFromFileExtension(fileName);
+				        importer.Import(fileName, importDestinationContainer);
+			        }
+			        catch (Exception ex)
+			        {
+				        exceptionAction?.Invoke(fileName);
+				        Runtime.MessageCollector.AddExceptionMessage($"Error occurred while importing file '{fileName}'.", ex);
+			        }
+		        }
+	        }
+		}
+
         public static void ImportFromActiveDirectory(string ldapPath, ContainerInfo importDestinationContainer, bool importSubOu)
         {
             try
             {
-                ActiveDirectoryImporter.Import(ldapPath, importDestinationContainer, importSubOu);
-                Runtime.ConnectionsService.SaveConnectionsAsync();
+	            using (Runtime.ConnectionsService.BatchedSavingContext())
+	            {
+					ActiveDirectoryImporter.Import(ldapPath, importDestinationContainer, importSubOu);
+	            }
             }
             catch (Exception ex)
             {
@@ -76,9 +93,11 @@ namespace mRemoteNG.App
         {
             try
             {
-                var importer = new PortScanImporter(protocol);
-                importer.Import(hosts, importDestinationContainer);
-                Runtime.ConnectionsService.SaveConnectionsAsync();
+	            using (Runtime.ConnectionsService.BatchedSavingContext())
+	            {
+					var importer = new PortScanImporter(protocol);
+					importer.Import(hosts, importDestinationContainer);
+	            }
             }
             catch (Exception ex)
             {

mRemoteV1/App/Info/SettingsFileInfo.cs

@@ -2,14 +2,15 @@
 using System.IO;
 using System.Reflection;
 using System.Windows.Forms;
+using mRemoteNG.Connection;
 
 namespace mRemoteNG.App.Info
 {
     public static class SettingsFileInfo
     {
-        private static readonly string ExePath = Path.GetDirectoryName(Assembly.GetEntryAssembly()?.Location);
+        private static readonly string ExePath = Path.GetDirectoryName(Assembly.GetAssembly(typeof(ConnectionInfo))?.Location);
 
-        public static string SettingsPath { get; } = Runtime.IsPortableEdition ? ExePath : Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\" + Application.ProductName;
+        public static string SettingsPath => Runtime.IsPortableEdition ? ExePath : Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\" + Application.ProductName;
         public static string LayoutFileName { get; } = "pnlLayout.xml";
         public static string ExtAppsFilesName { get; } = "extApps.xml";
         public static string ThemesFileName { get; } = "Themes.xml";

mRemoteV1/App/Runtime.cs

@@ -1,8 +1,3 @@
-using System;
-using System.IO;
-using System.Security;
-using System.Threading;
-using System.Windows.Forms;
 using mRemoteNG.App.Info;
 using mRemoteNG.Config.Putty;
 using mRemoteNG.Connection;
@@ -15,6 +10,11 @@ using mRemoteNG.Tree.Root;
 using mRemoteNG.UI;
 using mRemoteNG.UI.Forms;
 using mRemoteNG.UI.TaskDialog;
+using System;
+using System.IO;
+using System.Security;
+using System.Threading;
+using System.Windows.Forms;
 
 namespace mRemoteNG.App
 {
@@ -43,19 +43,23 @@ namespace mRemoteNG.App
         #region Connections Loading/Saving
         public static void LoadConnectionsAsync()
         {
-            _withDialog = false;
-
             var t = new Thread(LoadConnectionsBGd);
             t.SetApartmentState(ApartmentState.STA);
             t.Start();
         }
 
-        private static bool _withDialog;
         private static void LoadConnectionsBGd()
         {
-            LoadConnections(_withDialog);
+            LoadConnections();
         }
 
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="withDialog">
+        /// Should we show the file selection dialog to allow the user to select
+        /// a connection file
+        /// </param>
         public static void LoadConnections(bool withDialog = false)
         {
             var connectionFileName = "";
@@ -65,18 +69,19 @@ namespace mRemoteNG.App
                 // disable sql update checking while we are loading updates
                 ConnectionsService.RemoteConnectionsSyncronizer?.Disable();
 
-                if (!Settings.Default.UseSQLServer)
+                if (withDialog)
                 {
-                    if (withDialog)
-                    {
-                        var loadDialog = DialogFactory.BuildLoadConnectionsDialog();
-                        if (loadDialog.ShowDialog() != DialogResult.OK) return;
-                        connectionFileName = loadDialog.FileName;
-                    }
-                    else
-                    {
-                        connectionFileName = ConnectionsService.GetStartupConnectionFileName();
-                    }
+                    var loadDialog = DialogFactory.BuildLoadConnectionsDialog();
+                    if (loadDialog.ShowDialog() != DialogResult.OK)
+                        return;
+
+                    connectionFileName = loadDialog.FileName;
+                    Settings.Default.UseSQLServer = false;
+                    Settings.Default.Save();
+                }
+                else if (!Settings.Default.UseSQLServer)
+                {
+                    connectionFileName = ConnectionsService.GetStartupConnectionFileName();
                 }
 
                 ConnectionsService.LoadConnections(Settings.Default.UseSQLServer, false, connectionFileName);

mRemoteV1/Config/Connections/CsvConnectionsSaver.cs

@@ -24,7 +24,7 @@ namespace mRemoteNG.Config.Connections
             _saveFilter = saveFilter;
         }
 
-        public void Save(ConnectionTreeModel connectionTreeModel)
+        public void Save(ConnectionTreeModel connectionTreeModel, string propertyNameTrigger = "")
         {
             var csvConnectionsSerializer = new CsvConnectionsSerializerMremotengFormat(_saveFilter, Runtime.CredentialProviderCatalog);
             var dataProvider = new FileDataProvider(_connectionFileName);

mRemoteV1/Config/Connections/IConnectionsLoader.cs

@@ -0,0 +1,9 @@
+using mRemoteNG.Tree;
+
+namespace mRemoteNG.Config.Connections
+{
+    public interface IConnectionsLoader
+    {
+        ConnectionTreeModel Load();
+    }
+}

mRemoteV1/Config/Connections/Multiuser/RemoteConnectionsSyncronizer.cs

@@ -1,6 +1,7 @@
-using System;
+using mRemoteNG.App;
+using System;
 using System.Timers;
-using mRemoteNG.App;
+
 // ReSharper disable ArrangeAccessorOwnerBody
 
 namespace mRemoteNG.Config.Connections.Multiuser

mRemoteV1/Config/Connections/Multiuser/SqlConnectionsUpdateChecker.cs

@@ -1,11 +1,11 @@
 using mRemoteNG.App;
+using mRemoteNG.Config.Connections.Multiuser;
+using mRemoteNG.Config.DatabaseConnectors;
 using mRemoteNG.Messages;
 using System;
 using System.Data;
 using System.Data.SqlClient;
 using System.Threading;
-using mRemoteNG.Config.Connections.Multiuser;
-using mRemoteNG.Config.DatabaseConnectors;
 
 namespace mRemoteNG.Config.Connections
 {
@@ -13,7 +13,7 @@ namespace mRemoteNG.Config.Connections
     {
         private readonly SqlDatabaseConnector _sqlConnector;
         private readonly SqlCommand _sqlQuery;
-        private DateTime _lastUpdateTime;
+        private DateTime LastUpdateTime => Runtime.ConnectionsService.LastSqlUpdate;
         private DateTime _lastDatabaseUpdateTime;
 
 
@@ -21,7 +21,6 @@ namespace mRemoteNG.Config.Connections
         {
             _sqlConnector = DatabaseConnectorFactory.SqlDatabaseConnectorFromSettings();
             _sqlQuery = new SqlCommand("SELECT * FROM tblUpdate", _sqlConnector.SqlConnection);
-            _lastUpdateTime = default(DateTime);
             _lastDatabaseUpdateTime = default(DateTime);
         }
 
@@ -58,14 +57,14 @@ namespace mRemoteNG.Config.Connections
         private bool DatabaseIsMoreUpToDateThanUs()
         {
             var lastUpdateInDb = GetLastUpdateTimeFromDbResponse();
-            var IAmTheLastoneUpdated = CheckIfIAmTheLastOneUpdated(lastUpdateInDb);
-            return (lastUpdateInDb > _lastUpdateTime && !IAmTheLastoneUpdated);
+            var amTheLastoneUpdated = CheckIfIAmTheLastOneUpdated(lastUpdateInDb);
+            return (lastUpdateInDb > LastUpdateTime && !amTheLastoneUpdated);
         }
 
         private bool CheckIfIAmTheLastOneUpdated(DateTime lastUpdateInDb)
         {
-            DateTime LastSqlUpdateWithoutMilliseconds = new DateTime(Runtime.ConnectionsService.LastSqlUpdate.Ticks - (Runtime.ConnectionsService.LastSqlUpdate.Ticks % TimeSpan.TicksPerSecond), Runtime.ConnectionsService.LastSqlUpdate.Kind);
-            return lastUpdateInDb == LastSqlUpdateWithoutMilliseconds;
+            DateTime lastSqlUpdateWithoutMilliseconds = new DateTime(LastUpdateTime.Ticks - (LastUpdateTime.Ticks % TimeSpan.TicksPerSecond), LastUpdateTime.Kind);
+            return lastUpdateInDb == lastSqlUpdateWithoutMilliseconds;
         }
 
         private DateTime GetLastUpdateTimeFromDbResponse()
@@ -104,10 +103,9 @@ namespace mRemoteNG.Config.Connections
         public event ConnectionsUpdateAvailableEventHandler ConnectionsUpdateAvailable;
         private void RaiseConnectionsUpdateAvailableEvent()
         {
+            Runtime.MessageCollector.AddMessage(MessageClass.DebugMsg, "Remote connection update is available");
             var args = new ConnectionsUpdateAvailableEventArgs(_sqlConnector, _lastDatabaseUpdateTime);
             ConnectionsUpdateAvailable?.Invoke(this, args);
-            if(args.Handled)
-                _lastUpdateTime = _lastDatabaseUpdateTime;
         }
 
         public void Dispose()

mRemoteV1/Config/Connections/SaveConnectionsOnEdit.cs

@@ -2,6 +2,7 @@
 using System.Collections.Specialized;
 using System.ComponentModel;
 using mRemoteNG.Connection;
+using mRemoteNG.UI.Forms;
 
 namespace mRemoteNG.Config.Connections
 {
@@ -32,7 +33,7 @@ namespace mRemoteNG.Config.Connections
 
         private void ConnectionTreeModelOnPropertyChanged(object sender, PropertyChangedEventArgs propertyChangedEventArgs)
         {
-            SaveConnectionOnEdit();
+            SaveConnectionOnEdit(propertyChangedEventArgs.PropertyName);
         }
 
         private void ConnectionTreeModelOnCollectionChanged(object sender, NotifyCollectionChangedEventArgs notifyCollectionChangedEventArgs)
@@ -40,12 +41,14 @@ namespace mRemoteNG.Config.Connections
             SaveConnectionOnEdit();
         }
 
-        private void SaveConnectionOnEdit()
+        private void SaveConnectionOnEdit(string propertyName = "")
         {
             if (!mRemoteNG.Settings.Default.SaveConnectionsAfterEveryEdit)
                 return;
+            if (FrmMain.Default.IsClosing)
+                return;
 
-            _connectionsService.SaveConnectionsAsync();
+            _connectionsService.SaveConnectionsAsync(propertyName);
         }
     }
 }

mRemoteV1/Config/Connections/SqlConnectionsLoader.cs

@@ -1,22 +1,96 @@
-using mRemoteNG.Config.DatabaseConnectors;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security;
+using mRemoteNG.Config.DatabaseConnectors;
 using mRemoteNG.Config.DataProviders;
 using mRemoteNG.Config.Serializers;
+using mRemoteNG.Config.Serializers.MsSql;
 using mRemoteNG.Config.Serializers.Versioning;
+using mRemoteNG.Container;
+using mRemoteNG.Security;
+using mRemoteNG.Security.Authentication;
+using mRemoteNG.Security.SymmetricEncryption;
+using mRemoteNG.Tools;
 using mRemoteNG.Tree;
+using mRemoteNG.Tree.Root;
 
 namespace mRemoteNG.Config.Connections
 {
-    public class SqlConnectionsLoader
+	public class SqlConnectionsLoader : IConnectionsLoader
     {
+        private readonly IDeserializer<string, IEnumerable<LocalConnectionPropertiesModel>> _localConnectionPropertiesDeserializer;
+        private readonly IDataProvider<string> _dataProvider;
+
+        public Func<Optional<SecureString>> AuthenticationRequestor { get; set; } =
+            () => MiscTools.PasswordDialog("", false);
+
+        public SqlConnectionsLoader(
+            IDeserializer<string, IEnumerable<LocalConnectionPropertiesModel>> localConnectionPropertiesDeserializer, 
+            IDataProvider<string> dataProvider)
+        {
+            _localConnectionPropertiesDeserializer = localConnectionPropertiesDeserializer.ThrowIfNull(nameof(localConnectionPropertiesDeserializer));
+            _dataProvider = dataProvider.ThrowIfNull(nameof(dataProvider));
+        }
+
         public ConnectionTreeModel Load()
         {
             var connector = DatabaseConnectorFactory.SqlDatabaseConnectorFromSettings();
             var dataProvider = new SqlDataProvider(connector);
+            var metaDataRetriever = new SqlDatabaseMetaDataRetriever();
             var databaseVersionVerifier = new SqlDatabaseVersionVerifier(connector);
-            databaseVersionVerifier.VerifyDatabaseVersion();
+            var cryptoProvider = new LegacyRijndaelCryptographyProvider();
+
+            var metaData = metaDataRetriever.GetDatabaseMetaData(connector) ?? 
+                           HandleFirstRun(metaDataRetriever, connector);
+            var decryptionKey = GetDecryptionKey(metaData);
+
+            if (!decryptionKey.Any())
+                throw new Exception("Could not load SQL connections");
+
+            databaseVersionVerifier.VerifyDatabaseVersion(metaData.ConfVersion);
             var dataTable = dataProvider.Load();
-            var deserializer = new DataTableDeserializer();
-            return deserializer.Deserialize(dataTable);
+            var deserializer = new DataTableDeserializer(cryptoProvider, decryptionKey.First());
+            var connectionTree = deserializer.Deserialize(dataTable);
+            ApplyLocalConnectionProperties(connectionTree.RootNodes.First(i => i is RootNodeInfo));
+            return connectionTree;
         }
+
+        private Optional<SecureString> GetDecryptionKey(SqlConnectionListMetaData metaData)
+        {
+            var cryptographyProvider = new LegacyRijndaelCryptographyProvider();
+            var cipherText = metaData.Protected;
+            var authenticator = new PasswordAuthenticator(cryptographyProvider, cipherText, AuthenticationRequestor);
+            var authenticated = authenticator.Authenticate(new RootNodeInfo(RootNodeType.Connection).DefaultPassword.ConvertToSecureString());
+
+            if (authenticated)
+                return authenticator.LastAuthenticatedPassword;
+            return Optional<SecureString>.Empty;
+        }
+
+        private void ApplyLocalConnectionProperties(ContainerInfo rootNode)
+        {
+            var localPropertiesXml = _dataProvider.Load();
+            var localConnectionProperties = _localConnectionPropertiesDeserializer.Deserialize(localPropertiesXml);
+
+            rootNode
+                .GetRecursiveChildList()
+                .Join(localConnectionProperties, 
+                    con => con.ConstantID, 
+                    locals => locals.ConnectionId,
+                    (con, locals) => new {Connection = con, LocalProperties = locals})
+                .ForEach(x =>
+                {
+                    x.Connection.PleaseConnect = x.LocalProperties.Connected;
+                    if (x.Connection is ContainerInfo container)
+                        container.IsExpanded = x.LocalProperties.Expanded;
+                });
+        }
+
+        private SqlConnectionListMetaData HandleFirstRun(SqlDatabaseMetaDataRetriever metaDataRetriever, SqlDatabaseConnector connector)
+        {
+	        metaDataRetriever.WriteDatabaseMetaData(new RootNodeInfo(RootNodeType.Connection), connector);
+	        return metaDataRetriever.GetDatabaseMetaData(connector);
+		}
     }
 }

mRemoteV1/Config/Connections/SqlConnectionsSaver.cs

@@ -1,14 +1,16 @@
 using System;
+using System.Collections.Generic;
 using System.Data.SqlClient;
 using System.Globalization;
 using System.Linq;
-using System.Security;
 using mRemoteNG.App;
 using mRemoteNG.App.Info;
 using mRemoteNG.Config.DatabaseConnectors;
 using mRemoteNG.Config.DataProviders;
 using mRemoteNG.Config.Serializers;
+using mRemoteNG.Config.Serializers.MsSql;
 using mRemoteNG.Config.Serializers.Versioning;
+using mRemoteNG.Connection;
 using mRemoteNG.Container;
 using mRemoteNG.Messages;
 using mRemoteNG.Security;
@@ -19,44 +21,90 @@ using mRemoteNG.Tree.Root;
 
 namespace mRemoteNG.Config.Connections
 {
-    public class SqlConnectionsSaver : ISaver<ConnectionTreeModel>
+	public class SqlConnectionsSaver : ISaver<ConnectionTreeModel>
     {
-        private SecureString _password = Runtime.EncryptionKey;
         private readonly SaveFilter _saveFilter;
+        private readonly ISerializer<IEnumerable<LocalConnectionPropertiesModel>, string> _localPropertiesSerializer;
+        private readonly IDataProvider<string> _dataProvider;
 
-        public SqlConnectionsSaver(SaveFilter saveFilter)
+        public SqlConnectionsSaver(
+            SaveFilter saveFilter, 
+            ISerializer<IEnumerable<LocalConnectionPropertiesModel>, string> localPropertieSerializer,
+            IDataProvider<string> localPropertiesDataProvider)
         {
             if (saveFilter == null)
                 throw new ArgumentNullException(nameof(saveFilter));
             _saveFilter = saveFilter;
+            _localPropertiesSerializer = localPropertieSerializer.ThrowIfNull(nameof(localPropertieSerializer));
+            _dataProvider = localPropertiesDataProvider.ThrowIfNull(nameof(localPropertiesDataProvider));
         }
 
-        public void Save(ConnectionTreeModel connectionTreeModel)
+        public void Save(ConnectionTreeModel connectionTreeModel, string propertyNameTrigger = "")
         {
+            var rootTreeNode = connectionTreeModel.RootNodes.OfType<RootNodeInfo>().First();
+
+            UpdateLocalConnectionProperties(rootTreeNode);
+
+            if (PropertyIsLocalOnly(propertyNameTrigger))
+            {
+                Runtime.MessageCollector.AddMessage(MessageClass.DebugMsg, 
+                    $"Property {propertyNameTrigger} is local only. Not saving to database.");
+                return;
+            }
+
             if (SqlUserIsReadOnly())
             {
                 Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, "Trying to save connection tree but the SQL read only checkbox is checked, aborting!");
                 return;
             }
-                
 
             using (var sqlConnector = DatabaseConnectorFactory.SqlDatabaseConnectorFromSettings())
             {
                 sqlConnector.Connect();
                 var databaseVersionVerifier = new SqlDatabaseVersionVerifier(sqlConnector);
+                var metaDataRetriever = new SqlDatabaseMetaDataRetriever();
+                var metaData = metaDataRetriever.GetDatabaseMetaData(sqlConnector);
 
-                if (!databaseVersionVerifier.VerifyDatabaseVersion())
+                if (!databaseVersionVerifier.VerifyDatabaseVersion(metaData.ConfVersion))
                 {
                     Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, Language.strErrorConnectionListSaveFailed);
                     return;
                 }
 
-                var rootTreeNode = connectionTreeModel.RootNodes.OfType<RootNodeInfo>().First();
-
-                UpdateRootNodeTable(rootTreeNode, sqlConnector);
+                metaDataRetriever.WriteDatabaseMetaData(rootTreeNode, sqlConnector);
                 UpdateConnectionsTable(rootTreeNode, sqlConnector);
                 UpdateUpdatesTable(sqlConnector);
             }
+
+            Runtime.MessageCollector.AddMessage(MessageClass.DebugMsg, "Saved connections to database");
+        }
+
+        /// <summary>
+        /// Determines if a given property name should be only saved
+        /// locally.
+        /// </summary>
+        /// <param name="property">
+        /// The name of the property that triggered the save event
+        /// </param>
+        /// <returns></returns>
+        private bool PropertyIsLocalOnly(string property)
+        {
+            return property == nameof(ConnectionInfo.OpenConnections) ||
+                   property == nameof(ContainerInfo.IsExpanded);
+        }
+
+        private void UpdateLocalConnectionProperties(ContainerInfo rootNode)
+        {
+            var a = rootNode.GetRecursiveChildList().Select(info => new LocalConnectionPropertiesModel
+            {
+                ConnectionId = info.ConstantID,
+                Connected = info.OpenConnections.Count > 0,
+                Expanded = info is ContainerInfo c && c.IsExpanded
+            });
+
+            var serializedProperties = _localPropertiesSerializer.Serialize(a);
+            _dataProvider.Save(serializedProperties);
+            Runtime.MessageCollector.AddMessage(MessageClass.DebugMsg, "Saved local connection properties");
         }
 
         private void UpdateRootNodeTable(RootNodeInfo rootTreeNode, SqlDatabaseConnector sqlDatabaseConnector)
@@ -67,17 +115,17 @@ namespace mRemoteNG.Config.Connections
             {
                 if (rootTreeNode.Password)
                 {
-                    _password = rootTreeNode.PasswordString.ConvertToSecureString();
-                    strProtected = cryptographyProvider.Encrypt("ThisIsProtected", _password);
+                    var password = rootTreeNode.PasswordString.ConvertToSecureString();
+                    strProtected = cryptographyProvider.Encrypt("ThisIsProtected", password);
                 }
                 else
                 {
-                    strProtected = cryptographyProvider.Encrypt("ThisIsNotProtected", _password);
+                    strProtected = cryptographyProvider.Encrypt("ThisIsNotProtected", Runtime.EncryptionKey);
                 }
             }
             else
             {
-                strProtected = cryptographyProvider.Encrypt("ThisIsNotProtected", _password);
+                strProtected = cryptographyProvider.Encrypt("ThisIsNotProtected", Runtime.EncryptionKey);
             }
 
             var sqlQuery = new SqlCommand("DELETE FROM tblRoot", sqlDatabaseConnector.SqlConnection);
@@ -99,13 +147,15 @@ namespace mRemoteNG.Config.Connections
             }
         }
 
-        private void UpdateConnectionsTable(ContainerInfo rootTreeNode, SqlDatabaseConnector sqlDatabaseConnector)
+        private void UpdateConnectionsTable(RootNodeInfo rootTreeNode, SqlDatabaseConnector sqlDatabaseConnector)
         {
-            var sqlQuery = new SqlCommand("DELETE FROM tblCons", sqlDatabaseConnector.SqlConnection);
-            sqlQuery.ExecuteNonQuery();
-            var serializer = new DataTableSerializer(_saveFilter);
+            var cryptoProvider = new LegacyRijndaelCryptographyProvider();
+            var serializer = new DataTableSerializer(_saveFilter, cryptoProvider, rootTreeNode.PasswordString.ConvertToSecureString());
             var dataTable = serializer.Serialize(rootTreeNode);
             var dataProvider = new SqlDataProvider(sqlDatabaseConnector);
+
+            var sqlQuery = new SqlCommand("DELETE FROM tblCons", sqlDatabaseConnector.SqlConnection);
+            sqlQuery.ExecuteNonQuery();
             dataProvider.Save(dataTable);
         }
 

mRemoteV1/Config/Connections/XmlConnectionsLoader.cs

@@ -1,14 +1,14 @@
-using System;
-using System.IO;
-using System.Security;
-using mRemoteNG.Config.DataProviders;
+using mRemoteNG.Config.DataProviders;
 using mRemoteNG.Config.Serializers.Xml;
 using mRemoteNG.Tools;
 using mRemoteNG.Tree;
+using System;
+using System.IO;
+using System.Security;
 
 namespace mRemoteNG.Config.Connections
 {
-    public class XmlConnectionsLoader
+    public class XmlConnectionsLoader : IConnectionsLoader
     {
         private readonly string _connectionFilePath;
 

mRemoteV1/Config/Connections/XmlConnectionsSaver.cs

@@ -27,7 +27,7 @@ namespace mRemoteNG.Config.Connections
             _saveFilter = saveFilter;
         }
 
-        public void Save(ConnectionTreeModel connectionTreeModel)
+        public void Save(ConnectionTreeModel connectionTreeModel, string propertyNameTrigger = "")
         {
             try
             {

mRemoteV1/Config/CredentialRepositoryListSaver.cs

@@ -18,7 +18,7 @@ namespace mRemoteNG.Config
             _dataProvider = dataProvider;
         }
 
-        public void Save(IEnumerable<ICredentialRepository> repositories)
+        public void Save(IEnumerable<ICredentialRepository> repositories, string propertyNameTrigger = "")
         {
             var serializer = new CredentialRepositoryListSerializer();
             var data = serializer.Serialize(repositories);

mRemoteV1/Config/ISaver.cs

@@ -2,6 +2,6 @@
 {
     public interface ISaver<in T>
     {
-        void Save(T model);
+        void Save(T model, string propertyNameTrigger = "");
     }
 }

mRemoteV1/Config/Putty/PuttySessionsManager.cs

@@ -1,13 +1,13 @@
-using mRemoteNG.Tools;
 using System.Collections.Generic;
 using System.Collections.Specialized;
 using System.ComponentModel;
+using mRemoteNG.Tools;
 using mRemoteNG.Tree.Root;
 // ReSharper disable ArrangeAccessorOwnerBody
 
 namespace mRemoteNG.Config.Putty
 {
-	public class PuttySessionsManager
+    public class PuttySessionsManager
 	{
         public static PuttySessionsManager Instance { get; } = new PuttySessionsManager();
 
@@ -35,10 +35,12 @@ namespace mRemoteNG.Config.Putty
 			}
 		}
 
-	    private void AddSessionsFromProvider(AbstractPuttySessionsProvider provider)
+	    private void AddSessionsFromProvider(AbstractPuttySessionsProvider puttySessionProvider)
 	    {
-            var rootTreeNode = provider.RootInfo;
-	        provider.GetSessions();
+	        puttySessionProvider.ThrowIfNull(nameof(puttySessionProvider));
+
+            var rootTreeNode = puttySessionProvider.RootInfo;
+	        puttySessionProvider.GetSessions();
 
             if (!RootPuttySessionsNodes.Contains(rootTreeNode) && rootTreeNode.HasChildren())
                 RootPuttySessionsNodes.Add(rootTreeNode);

mRemoteV1/Config/Putty/PuttySessionsRegistryProvider.cs

@@ -1,19 +1,19 @@
-using Microsoft.Win32;
-using mRemoteNG.App;
-using mRemoteNG.Connection;
-using mRemoteNG.Connection.Protocol;
-using mRemoteNG.Messages;
 using System;
 using System.Collections.Generic;
 using System.Management;
 using System.Security.Principal;
 using System.Text;
 using System.Web;
+using Microsoft.Win32;
+using mRemoteNG.App;
+using mRemoteNG.Connection;
+using mRemoteNG.Connection.Protocol;
+using mRemoteNG.Messages;
 
 
 namespace mRemoteNG.Config.Putty
 {
-	public class PuttySessionsRegistryProvider : AbstractPuttySessionsProvider
+    public class PuttySessionsRegistryProvider : AbstractPuttySessionsProvider
 	{
         private const string PuttySessionsKey = "Software\\SimonTatham\\PuTTY\\Sessions";
         private static ManagementEventWatcher _eventWatcher;
@@ -39,7 +39,10 @@ namespace mRemoteNG.Config.Putty
 		}
         
         public override PuttySessionInfo GetSession(string sessionName)
-		{
+        {
+            if (string.IsNullOrEmpty(sessionName))
+                return null;
+
             var sessionsKey = Registry.CurrentUser.OpenSubKey(PuttySessionsKey);
             var sessionKey = sessionsKey?.OpenSubKey(sessionName);
 			if (sessionKey == null)	return null;
@@ -50,10 +53,15 @@ namespace mRemoteNG.Config.Putty
 		    {
 		        PuttySession = sessionName,
 		        Name = sessionName,
-		        Hostname = sessionKey.GetValue("HostName").ToString(),
-		        Username = sessionKey.GetValue("UserName").ToString()
+		        Hostname = sessionKey.GetValue("HostName")?.ToString() ?? "",
+		        Username = sessionKey.GetValue("UserName")?.ToString() ?? ""
 		    };
-		    var protocol = string.IsNullOrEmpty(sessionKey.GetValue("Protocol").ToString()) ? sessionKey.GetValue("Protocol").ToString() : "ssh";
+
+
+		    var protocol = string.IsNullOrEmpty(sessionKey.GetValue("Protocol")?.ToString())
+		        ? "ssh"
+                : sessionKey.GetValue("Protocol").ToString();
+
 		    switch (protocol.ToLowerInvariant())
 			{
 				case "raw":
@@ -65,7 +73,7 @@ namespace mRemoteNG.Config.Putty
 				case "serial":
 					return null;
 				case "ssh":
-				    int.TryParse(sessionKey.GetValue("SshProt").ToString(), out var sshVersion);
+				    int.TryParse(sessionKey.GetValue("SshProt")?.ToString(), out var sshVersion);
                     /* Per PUTTY.H in PuTTYNG & PuTTYNG Upstream (PuTTY proper currently)
                      * expect 0 for SSH1, 3 for SSH2 ONLY
                      * 1 for SSH1 with a 2 fallback
@@ -81,7 +89,12 @@ namespace mRemoteNG.Config.Putty
 				default:
 					return null;
 			}
-			sessionInfo.Port = Convert.ToInt32(sessionKey.GetValue("PortNumber"));
+
+            int.TryParse(sessionKey.GetValue("PortNumber")?.ToString(), out var portNumber);
+            if (portNumber == default(int))
+                sessionInfo.SetDefaultPort();
+            else
+                sessionInfo.Port = portNumber;
 				
 			return sessionInfo;
 		}

mRemoteV1/Config/Putty/PuttySessionsXmingProvider.cs

@@ -33,6 +33,7 @@ namespace mRemoteNG.Config.Putty
 			foreach (var sessionName in Directory.GetFiles(sessionsFolderPath))
 			{
 			    var sessionFileName = Path.GetFileName(sessionName);
+			    // ReSharper disable once ConstantConditionalAccessQualifier
 			    sessionNames.Add(raw ? sessionFileName : System.Web.HttpUtility.UrlDecode(sessionFileName?.Replace("+", "%2B")));
 			}
 
@@ -174,7 +175,8 @@ namespace mRemoteNG.Config.Putty
 		private static string GetPuttyConfPath()
 		{
 		    var puttyPath = mRemoteNG.Settings.Default.UseCustomPuttyPath ? mRemoteNG.Settings.Default.CustomPuttyPath : App.Info.GeneralAppInfo.PuttyPath;
-		    return Path.Combine(Path.GetDirectoryName(puttyPath), "putty.conf");
+		    puttyPath = Path.GetDirectoryName(puttyPath);
+            return string.IsNullOrEmpty(puttyPath) ? null : Path.Combine(puttyPath, "putty.conf");
 		}
 			
 		private static string GetSessionsFolderPath()
@@ -201,6 +203,9 @@ namespace mRemoteNG.Config.Putty
 			
 		private static PuttySessionInfo ModifyRegistrySessionInfo(PuttySessionInfo sessionInfo)
 		{
+		    if (sessionInfo == null)
+		        return null;
+
 			sessionInfo.Name = string.Format(RegistrySessionNameFormat, sessionInfo.Name);
 			sessionInfo.PuttySession = string.Format(RegistrySessionNameFormat, sessionInfo.PuttySession);
 			return sessionInfo;

mRemoteV1/Config/Serializers/ConnectionSerializers/MsSql/DataTableDeserializer.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Data;
-using System.Linq;
-using mRemoteNG.App;
+using mRemoteNG.App;
 using mRemoteNG.Connection;
 using mRemoteNG.Connection.Protocol;
 using mRemoteNG.Connection.Protocol.Http;
@@ -12,11 +8,28 @@ using mRemoteNG.Connection.Protocol.VNC;
 using mRemoteNG.Container;
 using mRemoteNG.Tree;
 using mRemoteNG.Tree.Root;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Security;
+using mRemoteNG.Security;
+using mRemoteNG.Security.SymmetricEncryption;
+using mRemoteNG.Tools;
 
-namespace mRemoteNG.Config.Serializers
+namespace mRemoteNG.Config.Serializers.MsSql
 {
-	public class DataTableDeserializer : IDeserializer<DataTable, ConnectionTreeModel>
+    public class DataTableDeserializer : IDeserializer<DataTable, ConnectionTreeModel>
     {
+        private readonly ICryptographyProvider _cryptographyProvider;
+        private readonly SecureString _decryptionKey;
+
+        public DataTableDeserializer(ICryptographyProvider cryptographyProvider, SecureString decryptionKey)
+        {
+            _cryptographyProvider = cryptographyProvider.ThrowIfNull(nameof(cryptographyProvider));
+            _decryptionKey = decryptionKey.ThrowIfNull(nameof(decryptionKey));
+        }
+
         public ConnectionTreeModel Deserialize(DataTable table)
         {
             var connectionList = CreateNodesFromTable(table);
@@ -34,10 +47,10 @@ namespace mRemoteNG.Config.Serializers
                 switch ((string)row["Type"])
                 {
                     case "Connection":
-                    nodeList.Add(DeserializeConnectionInfo(row));
+                        nodeList.Add(DeserializeConnectionInfo(row));
                         break;
                     case "Container":
-                    nodeList.Add(DeserializeContainerInfo(row));
+                        nodeList.Add(DeserializeContainerInfo(row));
                         break;
                 }
             }
@@ -68,16 +81,12 @@ namespace mRemoteNG.Config.Serializers
             // The Parent object is linked properly later in CreateNodeHierarchy()
             //connectionInfo.Parent.ConstantID = (string)dataRow["ParentID"];
 
-            var info = connectionInfo as ContainerInfo;
-            if(info != null)
-                info.IsExpanded = (bool)dataRow["Expanded"];
-
             connectionInfo.Description = (string)dataRow["Description"];
             connectionInfo.Icon = (string)dataRow["Icon"];
             connectionInfo.Panel = (string)dataRow["Panel"];
             connectionInfo.Username = (string)dataRow["Username"];
             connectionInfo.Domain = (string)dataRow["DomainName"];
-            connectionInfo.Password = (string)dataRow["Password"];
+            connectionInfo.Password = DecryptValue((string)dataRow["Password"]);
             connectionInfo.Hostname = (string)dataRow["Hostname"];
             connectionInfo.Protocol = (ProtocolType)Enum.Parse(typeof(ProtocolType), (string)dataRow["Protocol"]);
             connectionInfo.PuttySession = (string)dataRow["PuttySession"];
@@ -105,7 +114,6 @@ namespace mRemoteNG.Config.Serializers
             connectionInfo.RedirectSound = (RdpProtocol.RDPSounds)Enum.Parse(typeof(RdpProtocol.RDPSounds), (string)dataRow["RedirectSound"]);
             connectionInfo.SoundQuality = (RdpProtocol.RDPSoundQuality)Enum.Parse(typeof(RdpProtocol.RDPSoundQuality), (string)dataRow["SoundQuality"]);
             connectionInfo.RedirectKeys = (bool)dataRow["RedirectKeys"];
-            connectionInfo.PleaseConnect = (bool)dataRow["Connected"];
             connectionInfo.PreExtApp = (string)dataRow["PreExtApp"];
             connectionInfo.PostExtApp = (string)dataRow["PostExtApp"];
             connectionInfo.MacAddress = (string)dataRow["MacAddress"];
@@ -118,7 +126,7 @@ namespace mRemoteNG.Config.Serializers
             connectionInfo.VNCProxyIP = (string)dataRow["VNCProxyIP"];
             connectionInfo.VNCProxyPort = (int)dataRow["VNCProxyPort"];
             connectionInfo.VNCProxyUsername = (string)dataRow["VNCProxyUsername"];
-            connectionInfo.VNCProxyPassword = (string)dataRow["VNCProxyPassword"];
+            connectionInfo.VNCProxyPassword = DecryptValue((string)dataRow["VNCProxyPassword"]);
             connectionInfo.VNCColors = (ProtocolVNC.Colors)Enum.Parse(typeof(ProtocolVNC.Colors), (string)dataRow["VNCColors"]);
             connectionInfo.VNCSmartSizeMode = (ProtocolVNC.SmartSizeMode)Enum.Parse(typeof(ProtocolVNC.SmartSizeMode), (string)dataRow["VNCSmartSizeMode"]);
             connectionInfo.VNCViewOnly = (bool)dataRow["VNCViewOnly"];
@@ -126,7 +134,7 @@ namespace mRemoteNG.Config.Serializers
             connectionInfo.RDGatewayHostname = (string)dataRow["RDGatewayHostname"];
             connectionInfo.RDGatewayUseConnectionCredentials = (RdpProtocol.RDGatewayUseConnectionCredentials)Enum.Parse(typeof(RdpProtocol.RDGatewayUseConnectionCredentials), (string)dataRow["RDGatewayUseConnectionCredentials"]);
             connectionInfo.RDGatewayUsername = (string)dataRow["RDGatewayUsername"];
-            connectionInfo.RDGatewayPassword = (string)dataRow["RDGatewayPassword"];
+            connectionInfo.RDGatewayPassword = DecryptValue((string)dataRow["RDGatewayPassword"]);
             connectionInfo.RDGatewayDomain = (string)dataRow["RDGatewayDomain"];
 
             connectionInfo.Inheritance.CacheBitmaps = (bool)dataRow["InheritCacheBitmaps"];
@@ -185,10 +193,26 @@ namespace mRemoteNG.Config.Serializers
             connectionInfo.Inheritance.RDGatewayDomain = (bool)dataRow["InheritRDGatewayDomain"];
         }
 
+        private string DecryptValue(string cipherText)
+        {
+            try
+            {
+                return _cryptographyProvider.Decrypt(cipherText, _decryptionKey);
+            }
+            catch (EncryptionException)
+            {
+                // value may not be encrypted
+                return cipherText;
+            }
+        }
+
         private ConnectionTreeModel CreateNodeHierarchy(List<ConnectionInfo> connectionList, DataTable dataTable)
         {
             var connectionTreeModel = new ConnectionTreeModel();
-            var rootNode = new RootNodeInfo(RootNodeType.Connection, "0");
+            var rootNode = new RootNodeInfo(RootNodeType.Connection, "0")
+            {
+                PasswordString = _decryptionKey.ConvertToUnsecureString()
+            };
             connectionTreeModel.AddRootNode(rootNode);
 
             foreach (DataRow row in dataTable.Rows)

mRemoteV1/Config/Serializers/ConnectionSerializers/MsSql/DataTableSerializer.cs

@@ -1,25 +1,31 @@
-using System;
-using System.Data;
-using System.Data.SqlTypes;
-using System.Linq;
-using mRemoteNG.Connection;
+using mRemoteNG.Connection;
 using mRemoteNG.Container;
 using mRemoteNG.Security;
 using mRemoteNG.Tree;
 using mRemoteNG.Tree.Root;
+using System;
+using System.Data;
+using System.Data.SqlTypes;
+using System.Linq;
+using System.Security;
+using mRemoteNG.Tools;
 
-namespace mRemoteNG.Config.Serializers
+namespace mRemoteNG.Config.Serializers.MsSql
 {
     public class DataTableSerializer : ISerializer<ConnectionInfo,DataTable>
     {
+        private readonly ICryptographyProvider _cryptographyProvider;
+        private readonly SecureString _encryptionKey;
         private DataTable _dataTable;
         private const string TableName = "tblCons";
         private readonly SaveFilter _saveFilter;
         private int _currentNodeIndex;
 
-        public DataTableSerializer(SaveFilter saveFilter)
+        public DataTableSerializer(SaveFilter saveFilter, ICryptographyProvider cryptographyProvider, SecureString encryptionKey)
         {
-            _saveFilter = saveFilter;
+            _saveFilter = saveFilter.ThrowIfNull(nameof(saveFilter));
+            _cryptographyProvider = cryptographyProvider.ThrowIfNull(nameof(cryptographyProvider));
+            _encryptionKey = encryptionKey.ThrowIfNull(nameof(encryptionKey));
         }
 
 
@@ -204,14 +210,15 @@ namespace mRemoteNG.Config.Serializers
             dataRow["ParentID"] = connectionInfo.Parent?.ConstantID ?? "";
             dataRow["PositionID"] = _currentNodeIndex;
             dataRow["LastChange"] = (SqlDateTime)DateTime.Now;
-            var info = connectionInfo as ContainerInfo;
-            dataRow["Expanded"] = info != null && info.IsExpanded;
+            dataRow["Expanded"] = false; // TODO: this column can eventually be removed. we now save this property locally
             dataRow["Description"] = connectionInfo.Description;
             dataRow["Icon"] = connectionInfo.Icon;
             dataRow["Panel"] = connectionInfo.Panel;
             dataRow["Username"] = _saveFilter.SaveUsername ? connectionInfo.Username : "";
             dataRow["DomainName"] = _saveFilter.SaveDomain ? connectionInfo.Domain : "";
-            dataRow["Password"] = _saveFilter.SavePassword ? connectionInfo.Password : "";
+            dataRow["Password"] = _saveFilter.SavePassword 
+                ? _cryptographyProvider.Encrypt(connectionInfo.Password, _encryptionKey) 
+                : "";
             dataRow["Hostname"] = connectionInfo.Hostname;
             dataRow["Protocol"] = connectionInfo.Protocol;
             dataRow["PuttySession"] = connectionInfo.PuttySession;
@@ -239,7 +246,7 @@ namespace mRemoteNG.Config.Serializers
             dataRow["RedirectSound"] = connectionInfo.RedirectSound;
             dataRow["SoundQuality"] = connectionInfo.SoundQuality;
             dataRow["RedirectKeys"] = connectionInfo.RedirectKeys;
-            dataRow["Connected"] = connectionInfo.OpenConnections.Count > 0;
+            dataRow["Connected"] = false; // TODO: this column can eventually be removed. we now save this property locally
             dataRow["PreExtApp"] = connectionInfo.PreExtApp;
             dataRow["PostExtApp"] = connectionInfo.PostExtApp;
             dataRow["MacAddress"] = connectionInfo.MacAddress;
@@ -252,7 +259,7 @@ namespace mRemoteNG.Config.Serializers
             dataRow["VNCProxyIP"] = connectionInfo.VNCProxyIP;
             dataRow["VNCProxyPort"] = connectionInfo.VNCProxyPort;
             dataRow["VNCProxyUsername"] = connectionInfo.VNCProxyUsername;
-            dataRow["VNCProxyPassword"] = connectionInfo.VNCProxyPassword;
+            dataRow["VNCProxyPassword"] = _cryptographyProvider.Encrypt(connectionInfo.VNCProxyPassword, _encryptionKey);
             dataRow["VNCColors"] = connectionInfo.VNCColors;
             dataRow["VNCSmartSizeMode"] = connectionInfo.VNCSmartSizeMode;
             dataRow["VNCViewOnly"] = connectionInfo.VNCViewOnly;
@@ -260,7 +267,7 @@ namespace mRemoteNG.Config.Serializers
             dataRow["RDGatewayHostname"] = connectionInfo.RDGatewayHostname;
             dataRow["RDGatewayUseConnectionCredentials"] = connectionInfo.RDGatewayUseConnectionCredentials;
             dataRow["RDGatewayUsername"] = connectionInfo.RDGatewayUsername;
-            dataRow["RDGatewayPassword"] = connectionInfo.RDGatewayPassword;
+            dataRow["RDGatewayPassword"] = _cryptographyProvider.Encrypt(connectionInfo.RDGatewayPassword, _encryptionKey);
             dataRow["RDGatewayDomain"] = connectionInfo.RDGatewayDomain;
             if (_saveFilter.SaveInheritance)
             {

mRemoteV1/Config/Serializers/ConnectionSerializers/MsSql/LocalConnectionPropertiesModel.cs

@@ -0,0 +1,20 @@
+namespace mRemoteNG.Config.Serializers.MsSql
+{
+    public class LocalConnectionPropertiesModel
+    {
+        /// <summary>
+        /// The unique Id of this tree node
+        /// </summary>
+        public string ConnectionId { get; set; }
+
+        /// <summary>
+        /// Indicates whether this connection is connected
+        /// </summary>
+        public bool Connected { get; set; }
+
+        /// <summary>
+        /// Indicates whether this container is expanded in the tree
+        /// </summary>
+        public bool Expanded { get; set; }
+    }
+}

mRemoteV1/Config/Serializers/ConnectionSerializers/MsSql/LocalConnectionPropertiesXmlSerializer.cs

@@ -0,0 +1,60 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Xml;
+using System.Xml.Linq;
+
+namespace mRemoteNG.Config.Serializers.MsSql
+{
+    public class LocalConnectionPropertiesXmlSerializer : 
+        ISerializer<IEnumerable<LocalConnectionPropertiesModel>, string>, 
+        IDeserializer<string, IEnumerable<LocalConnectionPropertiesModel>>
+    {
+        public string Serialize(IEnumerable<LocalConnectionPropertiesModel> models)
+        {
+            var localConnections = models
+                .Select(m => new XElement("Node", 
+                    new XAttribute("ConnectionId", m.ConnectionId),
+                    new XAttribute("Connected", m.Connected),
+                    new XAttribute("Expanded", m.Expanded)));
+
+            var root = new XElement("LocalConnections", localConnections);
+            var xdoc = new XDocument(new XDeclaration("1.0", "utf-8", null), root);
+            return WriteXmlToString(xdoc);
+        }
+
+        public IEnumerable<LocalConnectionPropertiesModel> Deserialize(string serializedData)
+        {
+            if (string.IsNullOrWhiteSpace(serializedData))
+                return Enumerable.Empty<LocalConnectionPropertiesModel>();
+
+            var xdoc = XDocument.Parse(serializedData);
+            return xdoc
+                .Descendants("Node")
+                .Where(e => e.Attribute("ConnectionId") != null)
+                .Select(e => new LocalConnectionPropertiesModel
+                {
+                    ConnectionId = e.Attribute("ConnectionId")?.Value,
+                    Connected = bool.Parse(e.Attribute("Connected")?.Value ?? "False"),
+                    Expanded = bool.Parse(e.Attribute("Expanded")?.Value ?? "False")
+                });
+        }
+
+        private static string WriteXmlToString(XNode xmlDocument)
+        {
+            string xmlString;
+            var xmlWriterSettings = new XmlWriterSettings { Indent = true, IndentChars = "    ", Encoding = Encoding.UTF8 };
+            var memoryStream = new MemoryStream();
+            using (var xmlTextWriter = XmlWriter.Create(memoryStream, xmlWriterSettings))
+            {
+                xmlDocument.WriteTo(xmlTextWriter);
+                xmlTextWriter.Flush();
+                var streamReader = new StreamReader(memoryStream, Encoding.UTF8, true);
+                memoryStream.Seek(0, SeekOrigin.Begin);
+                xmlString = streamReader.ReadToEnd();
+            }
+            return xmlString;
+        }
+    }
+}

mRemoteV1/Config/Serializers/ConnectionSerializers/MsSql/SqlConnectionListMetaData.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Security;
+
+namespace mRemoteNG.Config.Serializers.MsSql
+{
+    public class SqlConnectionListMetaData
+    {
+        public string Name { get; set; }
+        public string Protected { get; set; }
+        public bool Export { get; set; }
+        public Version ConfVersion { get; set; }
+    }
+}

mRemoteV1/Config/Serializers/ConnectionSerializers/MsSql/SqlDatabaseMetaDataRetriever.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Data.SqlClient;
+using System.Globalization;
+using mRemoteNG.App;
+using mRemoteNG.App.Info;
+using mRemoteNG.Config.DatabaseConnectors;
+using mRemoteNG.Messages;
+using mRemoteNG.Security;
+using mRemoteNG.Security.SymmetricEncryption;
+using mRemoteNG.Tools;
+using mRemoteNG.Tree.Root;
+
+namespace mRemoteNG.Config.Serializers.MsSql
+{
+	public class SqlDatabaseMetaDataRetriever
+    {
+        public SqlConnectionListMetaData GetDatabaseMetaData(SqlDatabaseConnector sqlDatabaseConnector)
+        {
+            SqlConnectionListMetaData metaData;
+            SqlDataReader sqlDataReader = null;
+            try
+            {
+                var sqlCommand = new SqlCommand("SELECT * FROM tblRoot", sqlDatabaseConnector.SqlConnection);
+                if (!sqlDatabaseConnector.IsConnected)
+                    sqlDatabaseConnector.Connect();
+                sqlDataReader = sqlCommand.ExecuteReader();
+                if (!sqlDataReader.HasRows)
+                    return null; // assume new empty database
+                else
+                    sqlDataReader.Read();
+
+                metaData = new SqlConnectionListMetaData
+                {
+                    Name = sqlDataReader["Name"] as string ?? "",
+                    Protected = sqlDataReader["Protected"] as string ?? "",
+                    Export = (bool)sqlDataReader["Export"],
+                    ConfVersion = new Version(Convert.ToString(sqlDataReader["confVersion"], CultureInfo.InvariantCulture))
+                };
+            }
+            catch (Exception ex)
+            {
+                Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, $"Retrieving database version failed. {ex}");
+                throw;
+            }
+            finally
+            {
+                if (sqlDataReader != null && !sqlDataReader.IsClosed)
+                    sqlDataReader.Close();
+            }
+            return metaData;
+        }
+
+        public void WriteDatabaseMetaData(RootNodeInfo rootTreeNode, SqlDatabaseConnector sqlDatabaseConnector)
+        {
+	        var cryptographyProvider = new LegacyRijndaelCryptographyProvider();
+	        string strProtected;
+	        if (rootTreeNode != null)
+	        {
+		        if (rootTreeNode.Password)
+		        {
+			        var password = rootTreeNode.PasswordString.ConvertToSecureString();
+			        strProtected = cryptographyProvider.Encrypt("ThisIsProtected", password);
+		        }
+		        else
+		        {
+			        strProtected = cryptographyProvider.Encrypt("ThisIsNotProtected", Runtime.EncryptionKey);
+		        }
+	        }
+	        else
+	        {
+		        strProtected = cryptographyProvider.Encrypt("ThisIsNotProtected", Runtime.EncryptionKey);
+	        }
+
+	        var sqlQuery = new SqlCommand("DELETE FROM tblRoot", sqlDatabaseConnector.SqlConnection);
+	        sqlQuery.ExecuteNonQuery();
+
+	        if (rootTreeNode != null)
+	        {
+		        sqlQuery =
+			        new SqlCommand(
+				        "INSERT INTO tblRoot (Name, Export, Protected, ConfVersion) VALUES(\'" +
+				        MiscTools.PrepareValueForDB(rootTreeNode.Name) + "\', 0, \'" + strProtected + "\'," +
+				        ConnectionsFileInfo.ConnectionFileVersion.ToString(CultureInfo.InvariantCulture) + ")",
+				        sqlDatabaseConnector.SqlConnection);
+		        sqlQuery.ExecuteNonQuery();
+	        }
+	        else
+	        {
+		        Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, $"UpdateRootNodeTable: rootTreeNode was null. Could not insert!");
+	        }
+		}
+    }
+}

mRemoteV1/Config/Serializers/ConnectionSerializers/Xml/XmlConnectionsDeserializer.cs

@@ -205,7 +205,9 @@ namespace mRemoteNG.Config.Serializers.Xml
         {
             if (xmlnode.Attributes == null) return null;
 
-			var connectionId = xmlnode.Attributes["Id"]?.Value ?? Guid.NewGuid().ToString();
+			var connectionId = xmlnode.Attributes["Id"]?.Value;
+            if (string.IsNullOrWhiteSpace(connectionId))
+                connectionId = Guid.NewGuid().ToString();
 			var connectionInfo = new ConnectionInfo(connectionId);
 
             try

mRemoteV1/Config/Serializers/MiscSerializers/RemoteDesktopConnectionManagerDeserializer.cs

@@ -13,7 +13,7 @@ using mRemoteNG.Tree.Root;
 
 namespace mRemoteNG.Config.Serializers
 {
-    public class RemoteDesktopConnectionManagerDeserializer : IDeserializer<string, ConnectionTreeModel>
+	public class RemoteDesktopConnectionManagerDeserializer : IDeserializer<string, ConnectionTreeModel>
     {
         private static int _schemaVersion; /* 1 = RDCMan v2.2
                                        3 = RDCMan v2.7  */
@@ -40,11 +40,15 @@ namespace mRemoteNG.Config.Serializers
 
         private static void VerifySchemaVersion(XmlNode rdcManNode)
         {
-            _schemaVersion = Convert.ToInt32(rdcManNode?.Attributes?["schemaVersion"].Value);
-            if (_schemaVersion != 1 && _schemaVersion != 3)
+	        if (!int.TryParse(rdcManNode?.Attributes?["schemaVersion"]?.Value, out var version))
+		        throw new FileFormatException("Could not find schema version attribute.");
+
+            if (version != 1 && version != 3)
             {
-                throw (new FileFormatException($"Unsupported schema version ({_schemaVersion})."));
+                throw new FileFormatException($"Unsupported schema version ({version}).");
             }
+
+            _schemaVersion = version;
         }
 
         private static void VerifyFileVersion(XmlNode rdcManNode)
@@ -114,7 +118,8 @@ namespace mRemoteNG.Config.Serializers
                 containerPropertiesNode = containerPropertiesNode.SelectSingleNode("./properties");
             }
             newContainer.Name = containerPropertiesNode?.SelectSingleNode("./name")?.InnerText ?? Language.strNewFolder;
-            newContainer.IsExpanded = bool.Parse(containerPropertiesNode?.SelectSingleNode("./expanded")?.InnerText ?? "false");
+            if (bool.TryParse(containerPropertiesNode?.SelectSingleNode("./expanded")?.InnerText, out var expanded))
+				newContainer.IsExpanded = expanded;
             parentContainer.AddChild(newContainer);
             return newContainer;
         }
@@ -129,17 +134,25 @@ namespace mRemoteNG.Config.Serializers
         {
             var connectionInfo = new ConnectionInfo {Protocol = ProtocolType.RDP};
 
-
             var propertiesNode = xmlNode.SelectSingleNode("./properties");
-            if (_schemaVersion == 1) propertiesNode = xmlNode;  // Version 2.2 defines the container name at the root instead
+            if (_schemaVersion == 1)
+	            propertiesNode = xmlNode;  // Version 2.2 defines the container name at the root instead
+
             connectionInfo.Hostname = propertiesNode?.SelectSingleNode("./name")?.InnerText ?? "";
-            connectionInfo.Name = propertiesNode?.SelectSingleNode("./displayName")?.InnerText ?? connectionInfo.Hostname;
+
+            var connectionDisplayName = propertiesNode?.SelectSingleNode("./displayName")?.InnerText;
+			connectionInfo.Name = !string.IsNullOrWhiteSpace(connectionDisplayName)
+                ? connectionDisplayName
+	            : string.IsNullOrWhiteSpace(connectionInfo.Hostname)
+	                ? connectionInfo.Name
+	                : connectionInfo.Hostname;
+
             connectionInfo.Description = propertiesNode?.SelectSingleNode("./comment")?.InnerText ?? string.Empty;
 
             var logonCredentialsNode = xmlNode.SelectSingleNode("./logonCredentials");
             if (logonCredentialsNode?.Attributes?["inherit"]?.Value == "None")
             {
-                connectionInfo.Username = logonCredentialsNode.SelectSingleNode("userName")?.InnerText;
+                connectionInfo.Username = logonCredentialsNode.SelectSingleNode("userName")?.InnerText ?? string.Empty;
 
                 var passwordNode = logonCredentialsNode.SelectSingleNode("./password");
                 if (_schemaVersion == 1) // Version 2.2 allows clear text passwords
@@ -153,7 +166,7 @@ namespace mRemoteNG.Config.Serializers
                     connectionInfo.Password = DecryptRdcManPassword(passwordNode?.InnerText);
                 }
 
-                connectionInfo.Domain = logonCredentialsNode.SelectSingleNode("./domain")?.InnerText;
+                connectionInfo.Domain = logonCredentialsNode.SelectSingleNode("./domain")?.InnerText ?? string.Empty;
             }
             else
             {
@@ -165,10 +178,12 @@ namespace mRemoteNG.Config.Serializers
             var connectionSettingsNode = xmlNode.SelectSingleNode("./connectionSettings");
             if (connectionSettingsNode?.Attributes?["inherit"]?.Value == "None")
             {
-                connectionInfo.UseConsoleSession = bool.Parse(connectionSettingsNode.SelectSingleNode("./connectToConsole")?.InnerText ?? "false");
+				if (bool.TryParse(connectionSettingsNode.SelectSingleNode("./connectToConsole")?.InnerText, out var useConsole))
+					connectionInfo.UseConsoleSession = useConsole;
                 // ./startProgram
                 // ./workingDir
-                connectionInfo.Port = Convert.ToInt32(connectionSettingsNode.SelectSingleNode("./port")?.InnerText);
+                if (int.TryParse(connectionSettingsNode.SelectSingleNode("./port")?.InnerText, out var port))
+					connectionInfo.Port = port;
             }
             else
             {
@@ -179,14 +194,18 @@ namespace mRemoteNG.Config.Serializers
             var gatewaySettingsNode = xmlNode.SelectSingleNode("./gatewaySettings");
             if (gatewaySettingsNode?.Attributes?["inherit"]?.Value == "None")
             {
-                connectionInfo.RDGatewayUsageMethod = gatewaySettingsNode.SelectSingleNode("./enabled")?.InnerText == "True" ? RdpProtocol.RDGatewayUsageMethod.Always : RdpProtocol.RDGatewayUsageMethod.Never;
-                connectionInfo.RDGatewayHostname = gatewaySettingsNode.SelectSingleNode("./hostName")?.InnerText;
-                connectionInfo.RDGatewayUsername = gatewaySettingsNode.SelectSingleNode("./userName")?.InnerText;
+                connectionInfo.RDGatewayUsageMethod = gatewaySettingsNode.SelectSingleNode("./enabled")?.InnerText == "True" 
+	                ? RdpProtocol.RDGatewayUsageMethod.Always 
+	                : RdpProtocol.RDGatewayUsageMethod.Never;
+                connectionInfo.RDGatewayHostname = gatewaySettingsNode.SelectSingleNode("./hostName")?.InnerText ?? string.Empty;
+                connectionInfo.RDGatewayUsername = gatewaySettingsNode.SelectSingleNode("./userName")?.InnerText ?? string.Empty;
 
                 var passwordNode = gatewaySettingsNode.SelectSingleNode("./password");
-                connectionInfo.RDGatewayPassword = passwordNode?.Attributes?["storeAsClearText"]?.Value == "True" ? passwordNode.InnerText : DecryptRdcManPassword(passwordNode?.InnerText);
+                connectionInfo.RDGatewayPassword = passwordNode?.Attributes?["storeAsClearText"]?.Value == "True" 
+	                ? passwordNode.InnerText 
+	                : DecryptRdcManPassword(passwordNode?.InnerText);
 
-                connectionInfo.RDGatewayDomain = gatewaySettingsNode.SelectSingleNode("./domain")?.InnerText;
+                connectionInfo.RDGatewayDomain = gatewaySettingsNode.SelectSingleNode("./domain")?.InnerText ?? string.Empty;
                 // ./logonMethod
                 // ./localBypass
                 // ./credSharing
@@ -203,15 +222,10 @@ namespace mRemoteNG.Config.Serializers
             var remoteDesktopNode = xmlNode.SelectSingleNode("./remoteDesktop");
             if (remoteDesktopNode?.Attributes?["inherit"]?.Value == "None")
             {
-                var resolutionString = remoteDesktopNode.SelectSingleNode("./size")?.InnerText.Replace(" ", "");
-                try
-                {
-                    connectionInfo.Resolution = (RdpProtocol.RDPResolutions)Enum.Parse(typeof(RdpProtocol.RDPResolutions), "Res" + resolutionString);
-                }
-                catch (ArgumentException)
-                {
-                    connectionInfo.Resolution = RdpProtocol.RDPResolutions.FitToWindow;
-                }
+                connectionInfo.Resolution = 
+	                Enum.TryParse<RdpProtocol.RDPResolutions>(remoteDesktopNode.SelectSingleNode("./size")?.InnerText.Replace(" ", ""), true, out var rdpResolution)
+	                ? rdpResolution
+                    : RdpProtocol.RDPResolutions.FitToWindow;
 
                 if (remoteDesktopNode.SelectSingleNode("./sameSizeAsClientArea")?.InnerText == "True")
                 {
@@ -223,9 +237,8 @@ namespace mRemoteNG.Config.Serializers
                     connectionInfo.Resolution = RdpProtocol.RDPResolutions.Fullscreen;
                 }
 
-                var colorDepth = remoteDesktopNode.SelectSingleNode("./colorDepth")?.InnerText;
-                if (colorDepth != null)
-                    connectionInfo.Colors = (RdpProtocol.RDPColors)Enum.Parse(typeof(RdpProtocol.RDPColors), colorDepth);
+                if (Enum.TryParse<RdpProtocol.RDPColors>(remoteDesktopNode.SelectSingleNode("./colorDepth")?.InnerText, true, out var rdpColors))
+	                connectionInfo.Colors = rdpColors;
             }
             else
             {
@@ -274,10 +287,17 @@ namespace mRemoteNG.Config.Serializers
                 }
 
                 // ./redirectClipboard
-                connectionInfo.RedirectDiskDrives = bool.Parse(localResourcesNode?.SelectSingleNode("./redirectDrives")?.InnerText ?? "false");
-                connectionInfo.RedirectPorts = bool.Parse(localResourcesNode?.SelectSingleNode("./redirectPorts")?.InnerText ?? "false");
-                connectionInfo.RedirectPrinters = bool.Parse(localResourcesNode?.SelectSingleNode("./redirectPrinters")?.InnerText ?? "false");
-                connectionInfo.RedirectSmartCards = bool.Parse(localResourcesNode?.SelectSingleNode("./redirectSmartCards")?.InnerText ?? "false");
+                if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectDrives")?.InnerText, out var redirectDisks))
+	                connectionInfo.RedirectDiskDrives = redirectDisks;
+
+                if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectPorts")?.InnerText, out var redirectPorts))
+	                connectionInfo.RedirectPorts = redirectPorts;
+
+                if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectPrinters")?.InnerText, out var redirectPrinters))
+	                connectionInfo.RedirectPrinters = redirectPrinters;
+
+                if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectSmartCards")?.InnerText, out var redirectSmartCards))
+	                connectionInfo.RedirectSmartCards = redirectSmartCards;
             }
             else
             {

mRemoteV1/Config/Serializers/Versioning/SqlDatabaseVersionRetriever.cs

@@ -1,41 +0,0 @@
-using System;
-using System.Data.SqlClient;
-using System.Globalization;
-using mRemoteNG.App;
-using mRemoteNG.Config.DatabaseConnectors;
-using mRemoteNG.Messages;
-
-namespace mRemoteNG.Config.Serializers.Versioning
-{
-    public class SqlDatabaseVersionRetriever
-    {
-        public Version GetDatabaseVersion(SqlDatabaseConnector sqlDatabaseConnector)
-        {
-            Version databaseVersion;
-            SqlDataReader sqlDataReader = null;
-            try
-            {
-                var sqlCommand = new SqlCommand("SELECT * FROM tblRoot", sqlDatabaseConnector.SqlConnection);
-                if (!sqlDatabaseConnector.IsConnected)
-                    sqlDatabaseConnector.Connect();
-                sqlDataReader = sqlCommand.ExecuteReader();
-                if (!sqlDataReader.HasRows)
-                    return new Version(); // assume new empty database
-                else
-                    sqlDataReader.Read();
-                databaseVersion = new Version(Convert.ToString(sqlDataReader["confVersion"], CultureInfo.InvariantCulture));
-            }
-            catch (Exception ex)
-            {
-                Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, $"Retrieving database version failed. {ex}");
-                throw;
-            }
-            finally
-            {
-                if (sqlDataReader != null && !sqlDataReader.IsClosed)
-                    sqlDataReader.Close();
-            }
-            return databaseVersion;
-        }
-    }
-}

mRemoteV1/Config/Serializers/Versioning/SqlDatabaseVersionVerifier.cs

@@ -9,7 +9,6 @@ namespace mRemoteNG.Config.Serializers.Versioning
     public class SqlDatabaseVersionVerifier
     {
         private readonly SqlDatabaseConnector _sqlDatabaseConnector;
-        private readonly SqlDatabaseVersionRetriever _versionRetriever;
 
         public SqlDatabaseVersionVerifier(SqlDatabaseConnector sqlDatabaseConnector)
         {
@@ -17,15 +16,14 @@ namespace mRemoteNG.Config.Serializers.Versioning
                 throw new ArgumentNullException(nameof(sqlDatabaseConnector));
 
             _sqlDatabaseConnector = sqlDatabaseConnector;
-            _versionRetriever = new SqlDatabaseVersionRetriever();
         }
 
-        public bool VerifyDatabaseVersion()
+        public bool VerifyDatabaseVersion(Version dbVersion)
         {
             var isVerified = false;
             try
             {
-                var databaseVersion = _versionRetriever.GetDatabaseVersion(_sqlDatabaseConnector);
+                var databaseVersion = dbVersion;
 
                 if (databaseVersion.Equals(new Version()))
                 {

mRemoteV1/Config/Settings/SettingsLoader.cs

@@ -19,6 +19,7 @@ namespace mRemoteNG.Config.Settings
 	{
         private readonly ExternalAppsLoader _externalAppsLoader;
         private readonly MessageCollector _messageCollector;
+	    private readonly MenuStrip _mainMenu;
         private readonly QuickConnectToolStrip _quickConnectToolStrip;
         private readonly ExternalToolsToolStrip _externalToolsToolStrip;
 	    private readonly MultiSshToolStrip _multiSshToolStrip;
@@ -31,7 +32,8 @@ namespace mRemoteNG.Config.Settings
             MessageCollector messageCollector, 
             QuickConnectToolStrip quickConnectToolStrip, 
             ExternalToolsToolStrip externalToolsToolStrip,
-            MultiSshToolStrip multiSshToolStrip)
+            MultiSshToolStrip multiSshToolStrip,
+            MenuStrip mainMenu)
 		{
             if (mainForm == null)
                 throw new ArgumentNullException(nameof(mainForm));
@@ -43,13 +45,16 @@ namespace mRemoteNG.Config.Settings
                 throw new ArgumentNullException(nameof(externalToolsToolStrip));
             if (multiSshToolStrip == null)
                 throw new ArgumentNullException(nameof(multiSshToolStrip));
+		    if (mainMenu == null)
+		        throw new ArgumentNullException(nameof(mainMenu));
 
             MainForm = mainForm;
 	        _messageCollector = messageCollector;
 	        _quickConnectToolStrip = quickConnectToolStrip;
 	        _externalToolsToolStrip = externalToolsToolStrip;
 		    _multiSshToolStrip = multiSshToolStrip;
-            _externalAppsLoader = new ExternalAppsLoader(MainForm, messageCollector, _externalToolsToolStrip);
+		    _mainMenu = mainMenu;
+		    _externalAppsLoader = new ExternalAppsLoader(MainForm, messageCollector, _externalToolsToolStrip);
         }
         
         #region Public Methods
@@ -197,6 +202,7 @@ namespace mRemoteNG.Config.Settings
 	    private void LoadToolbarsFromSettings()
 		{
             ResetAllToolbarLocations();
+		    AddMainMenuPanel();
             AddExternalAppsPanel();
 		    AddQuickConnectPanel();
 		    AddMultiSshPanel();
@@ -210,31 +216,49 @@ namespace mRemoteNG.Config.Settings
 	    private void ResetAllToolbarLocations()
 	    {
 	        var tempToolStrip = new ToolStripPanel();
+            tempToolStrip.Join(_mainMenu);
 	        tempToolStrip.Join(_quickConnectToolStrip);
 	        tempToolStrip.Join(_externalToolsToolStrip);
 	        tempToolStrip.Join(_multiSshToolStrip);
         }
 
+	    private void AddMainMenuPanel()
+	    {
+	        SetToolstripGripStyle(_mainMenu);
+            var toolStripPanel = ToolStripPanelFromString("top");
+	        toolStripPanel.Join(_mainMenu, new Point(3, 0));
+        }
+
 		private void AddQuickConnectPanel()
 		{
+		    SetToolstripGripStyle(_quickConnectToolStrip);
+            _quickConnectToolStrip.Visible = mRemoteNG.Settings.Default.QuickyTBVisible;
             var toolStripPanel = ToolStripPanelFromString(mRemoteNG.Settings.Default.QuickyTBParentDock);
             toolStripPanel.Join(_quickConnectToolStrip, mRemoteNG.Settings.Default.QuickyTBLocation);
-            _quickConnectToolStrip.Visible = mRemoteNG.Settings.Default.QuickyTBVisible;
 		}
 		
 		private void AddExternalAppsPanel()
 		{
-		    var toolStripPanel = ToolStripPanelFromString(mRemoteNG.Settings.Default.ExtAppsTBParentDock);
-            toolStripPanel.Join(_externalToolsToolStrip, mRemoteNG.Settings.Default.ExtAppsTBLocation);
+		    SetToolstripGripStyle(_externalToolsToolStrip);
             _externalToolsToolStrip.Visible = mRemoteNG.Settings.Default.ExtAppsTBVisible;
+            var toolStripPanel = ToolStripPanelFromString(mRemoteNG.Settings.Default.ExtAppsTBParentDock);
+            toolStripPanel.Join(_externalToolsToolStrip, mRemoteNG.Settings.Default.ExtAppsTBLocation);
 		}
 
 	    private void AddMultiSshPanel()
 	    {
-	        var toolStripPanel = ToolStripPanelFromString(mRemoteNG.Settings.Default.ExtAppsTBParentDock);
-            toolStripPanel.Join(_multiSshToolStrip, mRemoteNG.Settings.Default.MultiSshToolbarLocation);
+	        SetToolstripGripStyle(_multiSshToolStrip);
 	        _multiSshToolStrip.Visible = mRemoteNG.Settings.Default.MultiSshToolbarVisible;
+            var toolStripPanel = ToolStripPanelFromString(mRemoteNG.Settings.Default.MultiSshToolbarParentDock);
+            toolStripPanel.Join(_multiSshToolStrip, mRemoteNG.Settings.Default.MultiSshToolbarLocation);
 	    }
+
+	    private void SetToolstripGripStyle(ToolStrip toolbar)
+	    {
+	        toolbar.GripStyle = mRemoteNG.Settings.Default.LockToolbars
+	            ? ToolStripGripStyle.Hidden
+	            : ToolStripGripStyle.Visible;
+        }
 		
 		private ToolStripPanel ToolStripPanelFromString(string panel)
 		{

mRemoteV1/Connection/AbstractConnectionRecord.cs

@@ -674,7 +674,7 @@ namespace mRemoteNG.Connection
             PropertyChanged?.Invoke(sender, new PropertyChangedEventArgs(args.PropertyName));
         }
 
-        private void SetField<T>(ref T field, T value, string propertyName = null)
+        protected void SetField<T>(ref T field, T value, string propertyName = null)
         {
             if (EqualityComparer<T>.Default.Equals(field, value)) return;
             field = value;

mRemoteV1/Connection/ConnectionInfo.cs

@@ -1,8 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using System.Reflection;
 using mRemoteNG.App;
 using mRemoteNG.Connection.Protocol;
 using mRemoteNG.Connection.Protocol.Http;
@@ -15,11 +10,16 @@ using mRemoteNG.Connection.Protocol.Telnet;
 using mRemoteNG.Connection.Protocol.VNC;
 using mRemoteNG.Container;
 using mRemoteNG.Tree;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Reflection;
 
 
 namespace mRemoteNG.Connection
 {
-	[DefaultProperty("Name")]
+    [DefaultProperty("Name")]
     public class ConnectionInfo : AbstractConnectionRecord, IHasParent, IInheritable
     {        
         #region Public Properties
@@ -78,7 +78,8 @@ namespace mRemoteNG.Connection
 		    var newConnectionInfo = new ConnectionInfo();
             newConnectionInfo.CopyFrom(this);
 		    newConnectionInfo.Inheritance = Inheritance.Clone();
-			return newConnectionInfo;
+            newConnectionInfo.Inheritance.Parent = newConnectionInfo;
+            return newConnectionInfo;
 		}
 
 	    public void CopyFrom(ConnectionInfo sourceConnectionInfo)
@@ -172,8 +173,11 @@ namespace mRemoteNG.Connection
             if (!ShouldThisPropertyBeInherited(propertyName))
                 return value;
 
-            var inheritedValue = GetInheritedPropertyValue<TPropertyType>(propertyName);
-            return inheritedValue.Equals(default(TPropertyType)) ? value : inheritedValue;
+            var couldGetInheritedValue = TryGetInheritedPropertyValue<TPropertyType>(propertyName, out var inheritedValue);
+
+            return couldGetInheritedValue
+                ? inheritedValue
+                : value;
         }
 
 	    private bool ShouldThisPropertyBeInherited(string propertyName)
@@ -194,22 +198,23 @@ namespace mRemoteNG.Connection
             return inheritPropertyValue;
         }
 
-        private TPropertyType GetInheritedPropertyValue<TPropertyType>(string propertyName)
+        private bool TryGetInheritedPropertyValue<TPropertyType>(string propertyName, out TPropertyType inheritedValue)
         {
             try
             {
                 var connectionInfoType = Parent.GetType();
                 var parentPropertyInfo = connectionInfoType.GetProperty(propertyName);
                 if (parentPropertyInfo == null)
-                    return default(TPropertyType); // shouldn't get here...
-                var parentPropertyValue = (TPropertyType)parentPropertyInfo.GetValue(Parent, null);
+                    throw new NullReferenceException($"Could not retrieve property data for property '{propertyName}' on parent node '{Parent?.Name}'");
 
-                return parentPropertyValue;
+                inheritedValue = (TPropertyType)parentPropertyInfo.GetValue(Parent, null);
+                return true;
             }
             catch (Exception e)
             {
                 Runtime.MessageCollector.AddExceptionStackTrace($"Error retrieving inherited property '{propertyName}'", e);
-                return default(TPropertyType);
+                inheritedValue = default(TPropertyType);
+                return false;
             }
         }
 

mRemoteV1/Connection/ConnectionInitiator.cs

@@ -1,6 +1,4 @@
-using System;
-using System.Windows.Forms;
-using mRemoteNG.App;
+using mRemoteNG.App;
 using mRemoteNG.Connection.Protocol;
 using mRemoteNG.Connection.Protocol.RDP;
 using mRemoteNG.Container;
@@ -8,14 +6,23 @@ using mRemoteNG.Messages;
 using mRemoteNG.UI.Forms;
 using mRemoteNG.UI.Panels;
 using mRemoteNG.UI.Window;
+using System;
+using System.Collections.Generic;
+using System.Windows.Forms;
 using TabPage = Crownwood.Magic.Controls.TabPage;
 
 
 namespace mRemoteNG.Connection
 {
-	public class ConnectionInitiator : IConnectionInitiator
+    public class ConnectionInitiator : IConnectionInitiator
     {
         private readonly PanelAdder _panelAdder = new PanelAdder();
+        private readonly List<string> _activeConnections = new List<string>();
+
+        /// <summary>
+        /// List of unique IDs of the currently active connections
+        /// </summary>
+        public IEnumerable<string> ActiveConnections => _activeConnections;
 
         public void OpenConnection(ContainerInfo containerInfo, ConnectionInfo.Force force = ConnectionInfo.Force.None)
         {
@@ -118,6 +125,7 @@ namespace mRemoteNG.Connection
                 }
 
                 connectionInfo.OpenConnections.Add(newProtocol);
+                _activeConnections.Add(connectionInfo.ConstantID);
                 FrmMain.Default.SelectedConnection = connectionInfo;
             }
             catch (Exception ex)
@@ -210,7 +218,7 @@ namespace mRemoteNG.Connection
             newProtocol.Closed += ((ConnectionWindow)connectionForm).Prot_Event_Closed;
         }
 
-        private static void SetConnectionEventHandlers(ProtocolBase newProtocol)
+        private void SetConnectionEventHandlers(ProtocolBase newProtocol)
         {
             newProtocol.Disconnected += Prot_Event_Disconnected;
             newProtocol.Connected += Prot_Event_Connected;
@@ -251,7 +259,7 @@ namespace mRemoteNG.Connection
             }
         }
 
-        private static void Prot_Event_Closed(object sender)
+        private void Prot_Event_Closed(object sender)
         {
             try
             {
@@ -267,6 +275,8 @@ namespace mRemoteNG.Connection
 
                 Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, string.Format(Language.strConnenctionClosedByUser, connDetail, prot.InterfaceControl.Info.Protocol, Environment.UserName));
                 prot.InterfaceControl.Info.OpenConnections.Remove(prot);
+                if (_activeConnections.Contains(prot.InterfaceControl.Info.ConstantID))
+                    _activeConnections.Remove(prot.InterfaceControl.Info.ConstantID);
 
                 if (prot.InterfaceControl.Info.PostExtApp == "") return;
                 var extA = Runtime.ExternalToolsService.GetExtAppByName(prot.InterfaceControl.Info.PostExtApp);

mRemoteV1/Connection/ConnectionsService.cs

@@ -4,9 +4,12 @@ using System.Threading;
 using System.Windows.Forms;
 using mRemoteNG.App;
 using mRemoteNG.App.Info;
+using mRemoteNG.Config;
 using mRemoteNG.Config.Connections;
 using mRemoteNG.Config.Connections.Multiuser;
+using mRemoteNG.Config.DataProviders;
 using mRemoteNG.Config.Putty;
+using mRemoteNG.Config.Serializers.MsSql;
 using mRemoteNG.Connection.Protocol;
 using mRemoteNG.Messages;
 using mRemoteNG.Security;
@@ -17,10 +20,12 @@ using mRemoteNG.UI;
 
 namespace mRemoteNG.Connection
 {
-    public class ConnectionsService
+	public class ConnectionsService
     {
         private static readonly object SaveLock = new object();
         private readonly PuttySessionsManager _puttySessionsManager;
+        private readonly IDataProvider<string> _localConnectionPropertiesDataProvider;
+        private readonly LocalConnectionPropertiesXmlSerializer _localConnectionPropertiesSerializer;
         private bool _batchingSaves = false;
         private bool _saveRequested = false;
         private bool _saveAsyncRequested = false;
@@ -39,12 +44,16 @@ namespace mRemoteNG.Connection
                 throw new ArgumentNullException(nameof(puttySessionsManager));
 
             _puttySessionsManager = puttySessionsManager;
+            var path = SettingsFileInfo.SettingsPath;
+            _localConnectionPropertiesDataProvider = new FileDataProvider(Path.Combine(path, "LocalConnectionProperties.xml"));
+            _localConnectionPropertiesSerializer = new LocalConnectionPropertiesXmlSerializer();
         }
 
         public void NewConnectionsFile(string filename)
         {
             try
             {
+                filename.ThrowIfNullOrEmpty(nameof(filename));
                 var newConnectionsModel = new ConnectionTreeModel();
                 newConnectionsModel.AddRootNode(new RootNodeInfo(RootNodeType.Connection));
                 SaveConnections(newConnectionsModel, false, new SaveFilter(), filename, true);
@@ -105,9 +114,14 @@ namespace mRemoteNG.Connection
             var oldConnectionTreeModel = ConnectionTreeModel;
             var oldIsUsingDatabaseValue = UsingDatabase;
 
-            var newConnectionTreeModel = useDatabase
-                ? new SqlConnectionsLoader().Load()
-                : new XmlConnectionsLoader(connectionFileName).Load();
+            var connectionLoader = useDatabase
+                ? (IConnectionsLoader)new SqlConnectionsLoader(_localConnectionPropertiesSerializer, _localConnectionPropertiesDataProvider)
+                : new XmlConnectionsLoader(connectionFileName);
+
+            var newConnectionTreeModel = connectionLoader.Load();
+
+            if (useDatabase)
+                LastSqlUpdate = DateTime.Now;
 
             if (newConnectionTreeModel == null)
             {
@@ -128,13 +142,25 @@ namespace mRemoteNG.Connection
             ConnectionTreeModel = newConnectionTreeModel;
             UpdateCustomConsPathSetting(connectionFileName);
             RaiseConnectionsLoadedEvent(oldConnectionTreeModel, newConnectionTreeModel, oldIsUsingDatabaseValue, useDatabase, connectionFileName);
+            Runtime.MessageCollector.AddMessage(MessageClass.DebugMsg, $"Connections loaded using {connectionLoader.GetType().Name}");
         }
 
+        /// <summary>
+        /// When turned on, calls to <see cref="SaveConnections()"/> or
+        /// <see cref="SaveConnectionsAsync"/> will not immediately execute.
+        /// Instead, they will be deferred until <see cref="EndBatchingSaves"/>
+        /// is called.
+        /// </summary>
         public void BeginBatchingSaves()
         {
             _batchingSaves = true;
         }
 
+        /// <summary>
+        /// Immediately executes a single <see cref="SaveConnections()"/> or
+        /// <see cref="SaveConnectionsAsync"/> if one has been requested
+        /// since calling <see cref="BeginBatchingSaves"/>.
+        /// </summary>
         public void EndBatchingSaves()
         {
             _batchingSaves = false;
@@ -145,6 +171,19 @@ namespace mRemoteNG.Connection
                 SaveConnections();
         }
 
+		/// <summary>
+		/// All calls to <see cref="SaveConnections()"/> or <see cref="SaveConnectionsAsync"/>
+		/// will be deferred until the returned <see cref="DisposableAction"/> is disposed.
+		/// Once disposed, this will immediately executes a single <see cref="SaveConnections()"/>
+		/// or <see cref="SaveConnectionsAsync"/> if one has been requested.
+		/// Place this call in a 'using' block to represent a batched saving context.
+		/// </summary>
+		/// <returns></returns>
+		public DisposableAction BatchedSavingContext()
+        {
+			return new DisposableAction(BeginBatchingSaves, EndBatchingSaves);
+        }
+
         /// <summary>
         /// Saves the currently loaded <see cref="ConnectionTreeModel"/> with
         /// no <see cref="SaveFilter"/>.
@@ -163,7 +202,17 @@ namespace mRemoteNG.Connection
         /// <param name="saveFilter"></param>
         /// <param name="connectionFileName"></param>
         /// <param name="forceSave">Bypasses safety checks that prevent saving if a connection file isn't loaded.</param>
-        public void SaveConnections(ConnectionTreeModel connectionTreeModel, bool useDatabase, SaveFilter saveFilter, string connectionFileName, bool forceSave = false)
+        /// <param name="propertyNameTrigger">
+        /// Optional. The name of the property that triggered
+        /// this save.
+        /// </param>
+        public void SaveConnections(
+            ConnectionTreeModel connectionTreeModel, 
+            bool useDatabase, 
+            SaveFilter saveFilter, 
+            string connectionFileName, 
+            bool forceSave = false,
+            string propertyNameTrigger = "")
         {
             if (connectionTreeModel == null)
                 return;
@@ -183,10 +232,13 @@ namespace mRemoteNG.Connection
                 RemoteConnectionsSyncronizer?.Disable();
 
                 var previouslyUsingDatabase = UsingDatabase;
-                if (useDatabase)
-                    new SqlConnectionsSaver(saveFilter).Save(connectionTreeModel);
-                else
-                    new XmlConnectionsSaver(connectionFileName, saveFilter).Save(connectionTreeModel);
+
+                var saver = useDatabase
+                    ? (ISaver<ConnectionTreeModel>)new SqlConnectionsSaver(saveFilter, _localConnectionPropertiesSerializer,
+                        _localConnectionPropertiesDataProvider)
+                    : new XmlConnectionsSaver(connectionFileName, saveFilter);
+
+                saver.Save(connectionTreeModel, propertyNameTrigger);
 
                 if (UsingDatabase)
                     LastSqlUpdate = DateTime.Now;
@@ -206,7 +258,14 @@ namespace mRemoteNG.Connection
             }
         }
 
-        public void SaveConnectionsAsync()
+        /// <summary>
+        /// Save the currently loaded connections asynchronously
+        /// </summary>
+        /// <param name="propertyNameTrigger">
+        /// Optional. The name of the property that triggered
+        /// this save.
+        /// </param>
+        public void SaveConnectionsAsync(string propertyNameTrigger = "")
         {
             if (_batchingSaves)
             {
@@ -214,18 +273,22 @@ namespace mRemoteNG.Connection
                 return;
             }
 
-            var t = new Thread(SaveConnectionsBGd);
+            var t = new Thread(() =>
+            {
+                lock (SaveLock)
+                {
+                    SaveConnections(
+                        ConnectionTreeModel, 
+                        UsingDatabase, 
+                        new SaveFilter(), 
+                        ConnectionFileName, 
+                        propertyNameTrigger: propertyNameTrigger);
+                }
+            });
             t.SetApartmentState(ApartmentState.STA);
             t.Start();
         }
 
-        private void SaveConnectionsBGd()
-        {
-            Monitor.Enter(SaveLock);
-            SaveConnections();
-            Monitor.Exit(SaveLock);
-        }
-
         public string GetStartupConnectionFileName()
         {
             return Settings.Default.LoadConsFromCustomLocation == false 

mRemoteV1/Connection/DefaultConnectionInfo.cs

@@ -31,9 +31,14 @@ namespace mRemoteNG.Connection
 						throw new SettingsPropertyNotFoundException($"No property with name '{expectedPropertyName}' found.");
 
 					var valueFromSource = propertyFromSource.GetValue(sourceInstance, null);
-	                var value = Convert.ChangeType(valueFromSource, property.PropertyType);
+                    
+                    if (property.PropertyType.IsEnum)
+                    {
+                        property.SetValue(Instance, Enum.Parse(property.PropertyType, valueFromSource.ToString()), null);
+                        continue;
+                    }
 
-                    property.SetValue(Instance, value, null);
+                    property.SetValue(Instance, Convert.ChangeType(valueFromSource, property.PropertyType), null);
                 }
                 catch (Exception ex)
                 {

mRemoteV1/Connection/IConnectionInitiator.cs

@@ -1,9 +1,12 @@
 using mRemoteNG.Container;
+using System.Collections.Generic;
 
 namespace mRemoteNG.Connection
 {
     public interface IConnectionInitiator
     {
+        IEnumerable<string> ActiveConnections { get; }
+
         void OpenConnection(ConnectionInfo connectionInfo);
 
         void OpenConnection(ContainerInfo containerInfo, ConnectionInfo.Force force = ConnectionInfo.Force.None);

mRemoteV1/Connection/Protocol/PuttyBase.cs

@@ -13,7 +13,7 @@ using mRemoteNG.Tools.Cmdline;
 namespace mRemoteNG.Connection.Protocol
 {
 	public class PuttyBase : ProtocolBase
-	{	
+	{
 		private const int IDM_RECONF = 0x50; // PuTTY Settings Menu ID
 	    private bool _isPuttyNg;
 
@@ -42,7 +42,7 @@ namespace mRemoteNG.Connection.Protocol
             Event_Closed(this);
 		}
         #endregion
-				
+
         #region Public Methods
 		public override bool Connect()
 		{
@@ -62,11 +62,11 @@ namespace mRemoteNG.Connection.Protocol
 			    var arguments = new CommandLineArguments {EscapeForShell = false};
 
 			    arguments.Add("-load", InterfaceControl.Info.PuttySession);
-						
+
 				if (!(InterfaceControl.Info is PuttySessionInfo))
 				{
 					arguments.Add("-" + PuttyProtocol);
-							
+
 					if (PuttyProtocol == Putty_Protocol.ssh)
 					{
 						var username = "";
@@ -89,7 +89,7 @@ namespace mRemoteNG.Connection.Protocol
 						            break;
 						    }
 						}
-						
+
 						if (!string.IsNullOrEmpty(InterfaceControl.Info?.Password))
 						{
 							password = InterfaceControl.Info.Password;
@@ -102,9 +102,9 @@ namespace mRemoteNG.Connection.Protocol
                                 password = cryptographyProvider.Decrypt(Settings.Default.DefaultPassword, Runtime.EncryptionKey);
 							}
 						}
-						
+
 						arguments.Add("-" + (int)PuttySSHVersion);
-								
+
 						if (((int)Force & (int)ConnectionInfo.Force.NoCredentials) != (int)ConnectionInfo.Force.NoCredentials)
 						{
 							if (!string.IsNullOrEmpty(username))
@@ -117,24 +117,24 @@ namespace mRemoteNG.Connection.Protocol
 							}
 						}
 					}
-							
+
 					arguments.Add("-P", InterfaceControl.Info.Port.ToString());
 					arguments.Add(InterfaceControl.Info.Hostname);
 				}
-						
+
 				if (_isPuttyNg)
 				{
 					arguments.Add("-hwndparent", InterfaceControl.Handle.ToString());
 				}
-						
+
 				PuttyProcess.StartInfo.Arguments = arguments.ToString();
-						
+
 				PuttyProcess.EnableRaisingEvents = true;
 				PuttyProcess.Exited += ProcessExited;
-						
+
 				PuttyProcess.Start();
 				PuttyProcess.WaitForInputIdle(Settings.Default.MaxPuttyWaitTime * 1000);
-						
+
 				var startTicks = Environment.TickCount;
 				while (PuttyHandle.ToInt32() == 0 & Environment.TickCount < startTicks + Settings.Default.MaxPuttyWaitTime * 1000)
 				{
@@ -153,17 +153,17 @@ namespace mRemoteNG.Connection.Protocol
 						Thread.Sleep(0);
 					}
 				}
-						
+
 				if (!_isPuttyNg)
 				{
 					NativeMethods.SetParent(PuttyHandle, InterfaceControl.Handle);
 				}
-						
+
 				Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, Language.strPuttyStuff, true);
 				Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, string.Format(Language.strPuttyHandle, PuttyHandle), true);
 				Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, string.Format(Language.strPuttyTitle, PuttyProcess.MainWindowTitle), true);
 				Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, string.Format(Language.strPuttyParentHandle, InterfaceControl.Parent.Handle), true);
-						
+
 				Resize(this, new EventArgs());
 				base.Connect();
 				return true;
@@ -174,7 +174,7 @@ namespace mRemoteNG.Connection.Protocol
 				return false;
 			}
 		}
-				
+
 		public override void Focus()
 		{
 			try
@@ -190,7 +190,7 @@ namespace mRemoteNG.Connection.Protocol
 				Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, Language.strPuttyFocusFailed + Environment.NewLine + ex.Message, true);
 			}
 		}
-				
+
 		public override void Resize(object sender, EventArgs e)
 		{
 			try
@@ -199,14 +199,29 @@ namespace mRemoteNG.Connection.Protocol
 				{
 					return;
 				}
-                NativeMethods.MoveWindow(PuttyHandle, -SystemInformation.FrameBorderSize.Width, -(SystemInformation.CaptionHeight + SystemInformation.FrameBorderSize.Height), InterfaceControl.Width + SystemInformation.FrameBorderSize.Width * 2, InterfaceControl.Height + SystemInformation.CaptionHeight + SystemInformation.FrameBorderSize.Height * 2, true);
-			}
+
+                if (_isPuttyNg)
+                {
+                    // PuTTYNG 0.70.0.1 and later doesn't have any window borders
+                    NativeMethods.MoveWindow(PuttyHandle, 0, 0, InterfaceControl.Width, InterfaceControl.Height, true);
+                }
+                else
+                {
+                    var left = -(SystemInformation.FrameBorderSize.Width + SystemInformation.HorizontalResizeBorderThickness);
+                    var top = -(SystemInformation.CaptionHeight + SystemInformation.FrameBorderSize.Height + SystemInformation.VerticalResizeBorderThickness);
+                    var width = InterfaceControl.Width + (SystemInformation.FrameBorderSize.Width + SystemInformation.HorizontalResizeBorderThickness) * 2;
+                    var height = InterfaceControl.Height + SystemInformation.CaptionHeight + (SystemInformation.FrameBorderSize.Height +
+                                  SystemInformation.VerticalResizeBorderThickness) * 2;
+
+                    NativeMethods.MoveWindow(PuttyHandle, left, top, width, height, true);
+                }
+            }
 			catch (Exception ex)
 			{
 				Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, Language.strPuttyResizeFailed + Environment.NewLine + ex.Message, true);
 			}
 		}
-				
+
 		public override void Close()
 		{
 			try
@@ -220,7 +235,7 @@ namespace mRemoteNG.Connection.Protocol
 			{
 				Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, Language.strPuttyKillFailed + Environment.NewLine + ex.Message, true);
 			}
-					
+
 			try
 			{
 				PuttyProcess.Dispose();
@@ -229,10 +244,10 @@ namespace mRemoteNG.Connection.Protocol
 			{
 				Runtime.MessageCollector.AddMessage(MessageClass.ErrorMsg, Language.strPuttyDisposeFailed + Environment.NewLine + ex.Message, true);
 			}
-					
+
 			base.Close();
 		}
-				
+
 		public void ShowSettingsDialog()
 		{
 			try
@@ -246,7 +261,7 @@ namespace mRemoteNG.Connection.Protocol
 			}
 		}
         #endregion
-				
+
         #region Enums
 
 	    protected enum Putty_Protocol

mRemoteV1/Connection/Protocol/RDP/RdpProtocol.cs

@@ -316,10 +316,19 @@ namespace mRemoteNG.Connection.Protocol.RDP
 				return;
 			}
 
-		    var size = !Fullscreen ? Control.Size : Screen.FromControl(Control).Bounds.Size;
+		    try
+		    {
+                Runtime.MessageCollector.AddMessage(MessageClass.DebugMsg, $"Resizing RDP connection to host '{_connectionInfo.Hostname}'");
+		        var size = !Fullscreen ? Control.Size : Screen.FromControl(Control).Bounds.Size;
 
-            IMsRdpClient8 msRdpClient8 = _rdpClient;
-			msRdpClient8.Reconnect((uint)size.Width, (uint)size.Height);
+                IMsRdpClient8 msRdpClient8 = _rdpClient;
+			    msRdpClient8.Reconnect((uint)size.Width, (uint)size.Height);
+		    }
+		    catch (Exception ex)
+		    {
+                Runtime.MessageCollector.AddExceptionMessage(string.Format(Language.ChangeConnectionResolutionError, _connectionInfo.Hostname),
+                    ex, MessageClass.WarningMsg, false);
+		    }
 		}
 				
 		private void SetRdGateway()
@@ -916,17 +925,25 @@ namespace mRemoteNG.Connection.Protocol.RDP
         #region Reconnect Stuff
 		public void tmrReconnect_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
 		{
-			var srvReady = PortScanner.IsPortOpen(_connectionInfo.Hostname, Convert.ToString(_connectionInfo.Port));
+		    try
+		    {
+			    var srvReady = PortScanner.IsPortOpen(_connectionInfo.Hostname, Convert.ToString(_connectionInfo.Port));
 					
-			ReconnectGroup.ServerReady = srvReady;
+			    ReconnectGroup.ServerReady = srvReady;
 					
-			if (ReconnectGroup.ReconnectWhenReady && srvReady)
-			{
-				tmrReconnect.Enabled = false;
-				ReconnectGroup.DisposeReconnectGroup();
-				//SetProps()
-				_rdpClient.Connect();
-			}
+			    if (ReconnectGroup.ReconnectWhenReady && srvReady)
+			    {
+				    tmrReconnect.Enabled = false;
+				    ReconnectGroup.DisposeReconnectGroup();
+				    //SetProps()
+				    _rdpClient.Connect();
+			    }
+		    }
+		    catch (Exception ex)
+		    {
+                Runtime.MessageCollector.AddExceptionMessage(string.Format(Language.AutomaticReconnectError, _connectionInfo.Hostname),
+                    ex, MessageClass.WarningMsg, false);
+		    }
 		}
         #endregion
 	}

mRemoteV1/Container/ContainerInfo.cs

@@ -12,13 +12,19 @@ namespace mRemoteNG.Container
 	[DefaultProperty("Name")]
     public class ContainerInfo : ConnectionInfo, INotifyCollectionChanged
 	{
-        [Browsable(false)]
+	    private bool _isExpanded;
+
+	    [Browsable(false)]
         public List<ConnectionInfo> Children { get; } = new List<ConnectionInfo>();
 
-        [Category(""), Browsable(false), ReadOnly(false), Bindable(false), DefaultValue(""), DesignOnly(false)]
-        public bool IsExpanded { get; set; }
+	    [Category(""), Browsable(false), ReadOnly(false), Bindable(false), DefaultValue(""), DesignOnly(false)]
+	    public bool IsExpanded
+	    {
+	        get => _isExpanded;
+	        set => SetField(ref _isExpanded, value, "IsExpanded");
+	    }
 
-        [Browsable(false)]
+	    [Browsable(false)]
 	    public override bool IsContainer { get { return true; } set {} }
 
 	    public ContainerInfo(string uniqueId)

mRemoteV1/Properties/AssemblyInfo.cs

@@ -14,7 +14,7 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyDescription("Multi-protocol remote connections manager")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("mRemoteNG")]
-[assembly: AssemblyCopyright("Copyright © 2018 mRemoteNG Dev Team; 2010-2013 Riley McArdle; 2007-2009 Felix Deimel")]
+[assembly: AssemblyCopyright("Copyright © 2019 mRemoteNG Dev Team; 2010-2013 Riley McArdle; 2007-2009 Felix Deimel")]
 [assembly: AssemblyTrademark("")]
 
 [assembly: ComVisible(false)]
@@ -33,5 +33,5 @@ using System.Runtime.InteropServices;
 // by using the '*' as shown below:
 // <Assembly: AssemblyVersion("1.0.*")>
 
-[assembly: AssemblyVersion("1.76.5.*")]
+[assembly: AssemblyVersion("1.76.20.*")]
 [assembly: NeutralResourcesLanguage("en")]

mRemoteV1/Properties/Settings.Designer.cs

@@ -12,7 +12,7 @@ namespace mRemoteNG {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.7.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.9.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
@@ -2722,5 +2722,17 @@ namespace mRemoteNG {
                 this["StartUpPanelName"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("False")]
+        public bool OverrideFIPSCheck {
+            get {
+                return ((bool)(this["OverrideFIPSCheck"]));
+            }
+            set {
+                this["OverrideFIPSCheck"] = value;
+            }
+        }
     }
 }

mRemoteV1/Properties/Settings.settings

@@ -677,5 +677,8 @@
     <Setting Name="StartUpPanelName" Type="System.String" Scope="User">
       <Value Profile="(Default)">General</Value>
     </Setting>
+    <Setting Name="OverrideFIPSCheck" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">False</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

mRemoteV1/Resources/Language/Language.Designer.cs

@@ -60,6 +60,24 @@ namespace mRemoteNG {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to An error occurred while trying to reconnect to RDP host &apos;{0}&apos;.
+        /// </summary>
+        internal static string AutomaticReconnectError {
+            get {
+                return ResourceManager.GetString("AutomaticReconnectError", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to An error occurred while trying to change the connection resolution to host &apos;{0}&apos;.
+        /// </summary>
+        internal static string ChangeConnectionResolutionError {
+            get {
+                return ResourceManager.GetString("ChangeConnectionResolutionError", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Create a New Connection File.
         /// </summary>
@@ -1982,11 +2000,11 @@ namespace mRemoteNG {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to The Windows security setting, &quot;System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing&quot;, is enabled. This setting is not compatible with {0}.
+        ///   Looks up a localized string similar to The Windows security setting, &quot;System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing&quot;, is enabled. 
         ///
         ///See the Microsoft Support article at http://support.microsoft.com/kb/811833 for more information.
         ///
-        ///{0} will now close..
+        ///{0} is not fully FIPS compliant. Click OK to proceed at your own discretion, or Cancel to Exit..
         /// </summary>
         internal static string strErrorFipsPolicyIncompatible {
             get {

mRemoteV1/Resources/Language/Language.es.resx

@@ -59,7 +59,7 @@
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->
-  <xsd:schema xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" id="root">
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">
       <xsd:complexType>
@@ -105,17 +105,17 @@
       </xsd:complexType>
     </xsd:element>
   </xsd:schema>
-  <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </resheader>
   <resheader name="resmimetype">
     <value>text/microsoft-resx</value>
   </resheader>
   <resheader name="version">
     <value>2.0</value>
   </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <data name="strAbout" xml:space="preserve">
     <value>Acerca de</value>
@@ -1224,7 +1224,7 @@ Ver el articulo de soporte de Microsoft en http://support.microsoft.com/kb/81183
     <value>Introduzca su dominio.</value>
   </data>
   <data name="strPropertyDescriptionEnableDesktopComposition" xml:space="preserve">
-    <value>Seleccione si emplear composición de escrotorio o no.</value>
+    <value>Seleccione si emplear composición de escritorio o no.</value>
   </data>
   <data name="strPropertyDescriptionEnableFontSmoothing" xml:space="preserve">
     <value>Seleccione si emplear suavizado de fuentes o no.</value>
@@ -2069,4 +2069,4 @@ mRemoteNG ahora se cerrará y comenzará la instalación.</value>
   <data name="strYes" xml:space="preserve">
     <value>Sí</value>
   </data>
-</root>
+</root>

mRemoteV1/Resources/Language/Language.resx

@@ -655,11 +655,11 @@ Starting with new connections file.</value>
     <value>Encryption failed. {0}</value>
   </data>
   <data name="strErrorFipsPolicyIncompatible" xml:space="preserve">
-    <value>The Windows security setting, "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing", is enabled. This setting is not compatible with {0}.
+    <value>The Windows security setting, "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing", is enabled. 
 
 See the Microsoft Support article at http://support.microsoft.com/kb/811833 for more information.
 
-{0} will now close.</value>
+{0} is not fully FIPS compliant. Click OK to proceed at your own discretion, or Cancel to Exit.</value>
   </data>
   <data name="strErrors" xml:space="preserve">
     <value>Errors</value>
@@ -2694,4 +2694,10 @@ This page will walk you through the process of upgrading your connections file o
   <data name="strUltraVNCSingleClick" xml:space="preserve">
     <value>UltraVNC SingleClick</value>
   </data>
+  <data name="AutomaticReconnectError" xml:space="preserve">
+    <value>An error occurred while trying to reconnect to RDP host '{0}'</value>
+  </data>
+  <data name="ChangeConnectionResolutionError" xml:space="preserve">
+    <value>An error occurred while trying to change the connection resolution to host '{0}'</value>
+  </data>
 </root>

mRemoteV1/Tools/DisposableAction.cs

@@ -0,0 +1,45 @@
+using System;
+
+namespace mRemoteNG.Tools
+{
+	/// <summary>
+	/// Represents an action that will be executed when the <see cref="Dispose"/>
+	/// method is called. Useful for creating Using blocks around logical start/end
+	/// actions.
+	/// </summary>
+	public class DisposableAction : IDisposable
+	{
+		private bool _isDisposed;
+		private readonly Action _disposeAction;
+
+		/// <summary>
+		/// 
+		/// </summary>
+		/// <param name="initializeAction">
+		///	An <see cref="Action"/> that should be performed immediately
+		/// when this object is initialized. It should return quickly.
+		/// </param>
+		/// <param name="disposeAction">
+		/// An <see cref="Action"/> to be executed when this object is disposed.
+		/// </param>
+		public DisposableAction(Action initializeAction, Action disposeAction)
+		{
+			initializeAction();
+			_disposeAction = disposeAction;
+		}
+
+		public void Dispose()
+		{
+			Dispose(true);
+		}
+
+		protected virtual void Dispose(bool disposing)
+		{
+			if (!disposing || _isDisposed)
+				return;
+
+			_isDisposed = true;
+			_disposeAction();
+		}
+	}
+}

mRemoteV1/Tools/Extensions.cs

@@ -1,9 +1,11 @@
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace mRemoteNG.Tools
 {
-	public static class Extensions
+    public static class Extensions
 	{
 		public static Optional<T> Maybe<T>(this T value)
 		{
@@ -50,5 +52,23 @@ namespace mRemoteNG.Tools
                 throw new ArgumentException("Value cannot be null or empty", argName);
 	        return value;
 	    }
+
+        /// <summary>
+        /// Perform an action for each item in the given collection. The item
+        /// is the pass along the processing chain.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="collection"></param>
+        /// <param name="action"></param>
+        /// <returns></returns>
+	    public static IEnumerable<T> ForEach<T>(this IEnumerable<T> collection, Action<T> action)
+        {
+            collection = collection.ToList();
+
+            foreach (var item in collection)
+	            action(item);
+
+	        return collection;
+	    }
 	}
 }

mRemoteV1/Tools/IeBrowserEmulation.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics;
 using System.IO;
+using System.Linq;
 using System.Security.AccessControl;
 using Microsoft.Win32;
 using mRemoteNG.App;
@@ -38,14 +39,16 @@ namespace mRemoteNG.Tools
             {
                 using (var key = Registry.CurrentUser.OpenSubKey(string.Concat("Software\\Wow6432Node\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\", feature), RegistryKeyPermissionCheck.ReadWriteSubTree))
                 {
-                    key?.DeleteValue(appName);
+                    if (key?.GetValueNames().Contains(appName) ?? false)
+                        key.DeleteValue(appName);
                 }
             }
 
 
             using (var key = Registry.CurrentUser.CreateSubKey(string.Concat("Software\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\", feature), RegistryKeyPermissionCheck.ReadWriteSubTree))
             {
-                key?.DeleteValue(appName);
+                if (key?.GetValueNames().Contains(appName) ?? false)
+                    key.DeleteValue(appName);
             }
         }
 #endif

mRemoteV1/Tree/PreviousSessionOpener.cs

@@ -1,8 +1,8 @@
-using System;
-using System.Linq;
-using mRemoteNG.Connection;
+using mRemoteNG.Connection;
 using mRemoteNG.Container;
 using mRemoteNG.UI.Controls;
+using System;
+using System.Linq;
 
 
 namespace mRemoteNG.Tree
@@ -21,7 +21,12 @@ namespace mRemoteNG.Tree
         public void Execute(IConnectionTree connectionTree)
         {
             var connectionInfoList = connectionTree.GetRootConnectionNode().GetRecursiveChildList().Where(node => !(node is ContainerInfo));
-            var previouslyOpenedConnections = connectionInfoList.Where(item => item.PleaseConnect);
+            var previouslyOpenedConnections = connectionInfoList
+                .Where(item => 
+                    item.PleaseConnect && 
+                    // ignore items that have already connected
+                    !_connectionInitiator.ActiveConnections.Contains(item.ConstantID));
+
             foreach (var connectionInfo in previouslyOpenedConnections)
             {
                 _connectionInitiator.OpenConnection(connectionInfo);

mRemoteV1/UI/Controls/Base/NGLabel.cs

@@ -23,10 +23,12 @@ namespace mRemoteNG.UI.Controls.Base
         {
             base.OnCreateControl();
             _themeManager = ThemeManager.getInstance();
-            if (_themeManager.ThemingActive)
-            { 
-                Invalidate();
-            }
+            if (!_themeManager.ThemingActive) return;
+            // Use the Dialog_* colors since Labels generally have the same colors as panels/dialogs/windows/etc...
+            BackColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            ForeColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            FontOverrider.FontOverride(this);
+            Invalidate();
         }
 
   
@@ -38,8 +40,9 @@ namespace mRemoteNG.UI.Controls.Base
                 return;
             }
 
-            e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
-            e.Graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
+            // let's use the defaults - this looks terrible in my testing....
+            //e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
+            //e.Graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
             if (Enabled)
             {
                 TextRenderer.DrawText(e.Graphics, Text, Font, ClientRectangle, ForeColor, TextFormatFlags.Left | TextFormatFlags.VerticalCenter);

mRemoteV1/UI/Controls/ConnectionTree/ConnectionTree.cs

@@ -1,16 +1,16 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.Specialized;
-using System.ComponentModel;
-using System.Linq;
-using System.Windows.Forms;
-using BrightIdeasSoftware;
+using BrightIdeasSoftware;
 using mRemoteNG.App;
 using mRemoteNG.Config.Putty;
 using mRemoteNG.Connection;
 using mRemoteNG.Container;
 using mRemoteNG.Tree;
 using mRemoteNG.Tree.Root;
+using System;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.ComponentModel;
+using System.Linq;
+using System.Windows.Forms;
 // ReSharper disable ArrangeAccessorOwnerBody
 
 namespace mRemoteNG.UI.Controls
@@ -43,8 +43,12 @@ namespace mRemoteNG.UI.Controls
             get { return _connectionTreeModel; }
             set
             {
+                if (_connectionTreeModel == value)
+                    return;
+
+                UnregisterModelUpdateHandlers(_connectionTreeModel);
                 _connectionTreeModel = value;
-                PopulateTreeView();
+                PopulateTreeView(value);
             }
         }
 
@@ -156,28 +160,31 @@ namespace mRemoteNG.UI.Controls
 		                   padding;
 		}
 
-        private void PopulateTreeView()
+        private void PopulateTreeView(ConnectionTreeModel newModel)
         {
-            UnregisterModelUpdateHandlers();
-            SetObjects(ConnectionTreeModel.RootNodes);
-            RegisterModelUpdateHandlers();
-            NodeSearcher = new NodeSearcher(ConnectionTreeModel);
+            SetObjects(newModel.RootNodes);
+            RegisterModelUpdateHandlers(newModel);
+            NodeSearcher = new NodeSearcher(newModel);
             ExecutePostSetupActions();
 			AutoResizeColumn(Columns[0]);
 		}
 
-        private void RegisterModelUpdateHandlers()
+        private void RegisterModelUpdateHandlers(ConnectionTreeModel newModel)
         {
             _puttySessionsManager.PuttySessionsCollectionChanged += OnPuttySessionsCollectionChanged;
-            ConnectionTreeModel.CollectionChanged += HandleCollectionChanged;
-            ConnectionTreeModel.PropertyChanged += HandleCollectionPropertyChanged;
+            newModel.CollectionChanged += HandleCollectionChanged;
+            newModel.PropertyChanged += HandleCollectionPropertyChanged;
         }
 
-        private void UnregisterModelUpdateHandlers()
+        private void UnregisterModelUpdateHandlers(ConnectionTreeModel oldConnectionTreeModel)
         {
             _puttySessionsManager.PuttySessionsCollectionChanged -= OnPuttySessionsCollectionChanged;
-            ConnectionTreeModel.CollectionChanged -= HandleCollectionChanged;
-            ConnectionTreeModel.PropertyChanged -= HandleCollectionPropertyChanged;
+
+            if (oldConnectionTreeModel == null)
+                return;
+
+            oldConnectionTreeModel.CollectionChanged -= HandleCollectionChanged;
+            oldConnectionTreeModel.PropertyChanged -= HandleCollectionPropertyChanged;
         }
 
         private void OnPuttySessionsCollectionChanged(object sender, NotifyCollectionChangedEventArgs args)
@@ -220,14 +227,19 @@ namespace mRemoteNG.UI.Controls
             return (RootNodeInfo)ConnectionTreeModel.RootNodes.First(item => item is RootNodeInfo);
         }
 
+        public void Invoke(Action action)
+        {
+            Invoke((Delegate)action);
+        }
+
         public void InvokeExpand(object model)
         {
-            Invoke((MethodInvoker)(() => Expand(model)));
+            Invoke(() => Expand(model));
         }
 
         public void InvokeRebuildAll(bool preserveState)
         {
-            Invoke((MethodInvoker)(() => RebuildAll(preserveState)));
+            Invoke(() => RebuildAll(preserveState));
         }
 
         public IEnumerable<RootPuttySessionsNodeInfo> GetRootPuttyNodes()

mRemoteV1/UI/Controls/MultiSshToolStrip.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel;
 using System.Windows.Forms;
+using mRemoteNG.Themes;
 using mRemoteNG.Tools;
 
 namespace mRemoteNG.UI.Controls
@@ -10,12 +11,16 @@ namespace mRemoteNG.UI.Controls
 		private ToolStripLabel _lblMultiSsh;
 		private ToolStripTextBox _txtMultiSsh;
 		private MultiSSHController _multiSshController;
+	    private ThemeManager _themeManager;
 
 
-		public MultiSshToolStrip()
+        public MultiSshToolStrip()
 		{
 			InitializeComponent();
-			_multiSshController = new MultiSSHController(_txtMultiSsh);
+		    _themeManager = ThemeManager.getInstance();
+		    _themeManager.ThemeChanged += ApplyTheme;
+		    ApplyTheme();
+            _multiSshController = new MultiSSHController(_txtMultiSsh);
 		}
 
 		private void InitializeComponent()
@@ -43,7 +48,14 @@ namespace mRemoteNG.UI.Controls
 			ResumeLayout(true);
 		}
 
-		protected override void Dispose(bool disposing)
+	    private void ApplyTheme()
+	    {
+	        if (!_themeManager.ThemingActive) return;
+	        _txtMultiSsh.BackColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("TextBox_Background");
+	        _txtMultiSsh.ForeColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("TextBox_Foreground");
+	    }
+
+        protected override void Dispose(bool disposing)
 		{
 			if (disposing)
 			{

mRemoteV1/UI/Forms/OptionsPages/SqlServerPage.cs

@@ -79,7 +79,7 @@ namespace mRemoteNG.UI.Forms.OptionsPages
         {
             Runtime.ConnectionsService.RemoteConnectionsSyncronizer?.Dispose();
             Runtime.ConnectionsService.RemoteConnectionsSyncronizer = new RemoteConnectionsSyncronizer(new SqlConnectionsUpdateChecker());
-            Runtime.ConnectionsService.RemoteConnectionsSyncronizer.Enable();
+            Runtime.ConnectionsService.LoadConnections(true, false, "");
         }
 
         private void DisableSql()

mRemoteV1/UI/Forms/PasswordForm.cs

@@ -11,15 +11,34 @@ namespace mRemoteNG.UI.Forms
         private readonly string _passwordName;
         private SecureString _password = new SecureString();
 
-	    private bool Verify { get; }
+        /// <summary>
+        /// Puts the dialog into the New Password mode. An extra
+        /// password box is shown which must match the first password
+        /// to continue.
+        /// </summary>
+	    private bool NewPasswordMode { get; }
 
-		public PasswordForm(string passwordName = null, bool verify = true)
+        /// <summary>
+        /// Creates a new password form for entering or setting a password.
+        /// </summary>
+        /// <param name="passwordName"></param>
+        /// <param name="newPasswordMode">
+        /// Puts the dialog into the New Password mode. An extra
+        /// password box is shown which must match the first password
+        /// to continue.
+        /// </param>
+		public PasswordForm(string passwordName = null, bool newPasswordMode = true)
 		{
 			InitializeComponent();
 			_passwordName = passwordName;
-			Verify = verify;
+			NewPasswordMode = newPasswordMode;
 		}
 
+        /// <summary>
+        /// Dispaly a dialog box requesting that the user 
+        /// enter their password.
+        /// </summary>
+        /// <returns></returns>
         public Optional<SecureString> GetKey()
         {
             var dialog = ShowDialog();
@@ -33,7 +52,7 @@ namespace mRemoteNG.UI.Forms
 		{
 			ApplyLanguage();
 
-		    if (Verify) return;
+		    if (NewPasswordMode) return;
 		    Height = Height - (txtVerify.Top - txtPassword.Top);
 		    lblVerify.Visible = false;
 		    txtVerify.Visible = false;
@@ -44,7 +63,7 @@ namespace mRemoteNG.UI.Forms
             _password = txtPassword.Text.ConvertToSecureString();
             txtPassword.Text = "";
             txtVerify.Text = "";
-            if (Verify) return;
+            if (NewPasswordMode) return;
             Height = Height + (txtVerify.Top - txtPassword.Top);
         }
 
@@ -56,10 +75,10 @@ namespace mRemoteNG.UI.Forms
 
 	    private void btnOK_Click(object sender, EventArgs e)
 	    {
-	        if (Verify && VerifyPassword())
-	            DialogResult = DialogResult.OK;
-	        else
-	            DialogResult = DialogResult.None;
+            if (NewPasswordMode)
+	            VerifyNewPassword();
+
+	        DialogResult = DialogResult.OK;
 	    }
 
 	    private void txtPassword_TextChanged(object sender, EventArgs e)
@@ -79,7 +98,7 @@ namespace mRemoteNG.UI.Forms
 			btnOK.Text = Language.strButtonOK;
 		}
 			
-		private bool VerifyPassword()
+		private bool VerifyNewPassword()
 		{
 			if (txtPassword.Text.Length >= 3)
 			{

mRemoteV1/UI/Forms/frmMain.cs

@@ -63,7 +63,7 @@ namespace mRemoteNG.UI.Forms
             //Theming support
             _themeManager = ThemeManager.getInstance();
             vsToolStripExtender.DefaultRenderer = _toolStripProfessionalRenderer;
-            SetSchema();
+            ApplyTheme();
 
             _screenSystemMenu = new ScreenSelectionSystemMenu(this);
         }
@@ -140,7 +140,7 @@ namespace mRemoteNG.UI.Forms
             Startup.Instance.InitializeProgram(messageCollector);
 
             msMain.Location = Point.Empty;
-            var settingsLoader = new SettingsLoader(this, messageCollector, _quickConnectToolStrip, _externalToolsToolStrip, _multiSshToolStrip);
+            var settingsLoader = new SettingsLoader(this, messageCollector, _quickConnectToolStrip, _externalToolsToolStrip, _multiSshToolStrip, msMain);
             settingsLoader.LoadSettings();
 
             SetMenuDependencies();
@@ -184,7 +184,10 @@ namespace mRemoteNG.UI.Forms
                 var panelName = !string.IsNullOrEmpty(Settings.Default.StartUpPanelName)
                     ? Settings.Default.StartUpPanelName
                     : Language.strNewPanel;
-                new PanelAdder().AddPanel(panelName);
+
+                var panelAdder = new PanelAdder();
+                if (!panelAdder.DoesPanelExist(panelName))
+                    panelAdder.AddPanel(panelName);
             }
         }
 
@@ -247,22 +250,37 @@ namespace mRemoteNG.UI.Forms
         }
 
         //Theming support
-        private void SetSchema()
-        {
-            if (!_themeManager.ThemingActive) return;
-            // Persist settings when rebuilding UI
-            pnlDock.Theme = _themeManager.ActiveTheme.Theme;
-            ApplyTheme();
-        }
         private void ApplyTheme()
 		{
 		    if (!_themeManager.ThemingActive) return;
-		    vsToolStripExtender.SetStyle(msMain, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
-		    vsToolStripExtender.SetStyle(_quickConnectToolStrip, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
-		    vsToolStripExtender.SetStyle(_externalToolsToolStrip, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
-		    vsToolStripExtender.SetStyle(_multiSshToolStrip, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
-		    tsContainer.TopToolStripPanel.BackColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("CommandBarMenuDefault_Background");
-		}
+
+		    try
+		    {
+                // this will always throw when turning themes on from
+                // the options menu.
+		        pnlDock.Theme = _themeManager.ActiveTheme.Theme;
+		    }
+		    catch (Exception)
+		    {
+		        // intentionally ignore exception
+		    }
+            
+		    // Persist settings when rebuilding UI
+		    try
+		    {
+                vsToolStripExtender.SetStyle(msMain, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
+		        vsToolStripExtender.SetStyle(_quickConnectToolStrip, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
+		        vsToolStripExtender.SetStyle(_externalToolsToolStrip, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
+		        vsToolStripExtender.SetStyle(_multiSshToolStrip, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
+		        tsContainer.TopToolStripPanel.BackColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("CommandBarMenuDefault_Background");
+		        BackColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+		        ForeColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+		    }
+		    catch (Exception ex)
+		    {
+                Runtime.MessageCollector.AddExceptionStackTrace("Error applying theme", ex, MessageClass.WarningMsg);
+		    }
+        }
 
         private void frmMain_Shown(object sender, EventArgs e)
         {
@@ -411,7 +429,8 @@ namespace mRemoteNG.UI.Forms
 				        // Only handle this msg if it was triggered by a click
 				        if (NativeMethods.LOWORD(m.WParam) == NativeMethods.WA_CLICKACTIVE)
 				        {
-				            var controlThatWasClicked = FromChildHandle(NativeMethods.WindowFromPoint(MousePosition));
+				            var controlThatWasClicked = FromChildHandle(NativeMethods.WindowFromPoint(MousePosition))
+				                ?? GetChildAtPoint(MousePosition);
 				            if (controlThatWasClicked != null)
 				            {
 				                if (controlThatWasClicked is TreeView ||
@@ -426,9 +445,14 @@ namespace mRemoteNG.UI.Forms
 				                         controlThatWasClicked is Crownwood.Magic.Controls.TabControl ||
 				                         controlThatWasClicked is Crownwood.Magic.Controls.InertButton)
 				                {
-				                    // Simulate a mouse event since one wasn't generated by Windows
-				                    SimulateClick(controlThatWasClicked);
-				                    controlThatWasClicked.Focus();
+                                    // Simulate a mouse event since one wasn't generated by Windows
+                                    SimulateClick(controlThatWasClicked);
+                                    controlThatWasClicked.Focus();
+                                }
+                                else if (controlThatWasClicked is AutoHideStripBase)
+				                {
+                                    // only focus the autohide toolstrip
+                                    controlThatWasClicked.Focus();
 				                }
 				                else
 				                {

mRemoteV1/UI/Panels/PanelAdder.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections;
+using System.Linq;
 using System.Windows.Forms;
 using mRemoteNG.App;
 using mRemoteNG.Messages;
@@ -30,6 +31,12 @@ namespace mRemoteNG.UI.Panels
             }
         }
 
+        public bool DoesPanelExist(string panelName)
+        {
+            return Runtime.WindowList?.OfType<ConnectionWindow>().Any(w => w.TabText == panelName)
+                ?? false;
+        }
+
         private static void ShowConnectionWindow(ConnectionWindow connectionForm)
         {
             connectionForm.Show(FrmMain.Default.pnlDock, DockState.Document);

mRemoteV1/UI/Window/AboutWindow.cs

@@ -25,24 +25,22 @@ namespace mRemoteNG.UI.Window
 		internal Controls.Base.NGLabel lblEdition;
         internal Controls.Base.NGLabel lblCredits;
         internal Controls.Base.NGTextBox txtCredits;
-        private  Controls.Base.NGTextBox verText;
         internal Panel pnlTop;
 				
 		private void InitializeComponent()
 		{
             this.pnlTop = new System.Windows.Forms.Panel();
-            this.lblEdition = new Controls.Base.NGLabel();
+            this.lblEdition = new mRemoteNG.UI.Controls.Base.NGLabel();
             this.pbLogo = new System.Windows.Forms.PictureBox();
             this.pnlBottom = new System.Windows.Forms.Panel();
-            this.verText = new Controls.Base.NGTextBox();
-            this.lblCredits = new Controls.Base.NGLabel();
-            this.txtCredits = new Controls.Base.NGTextBox();
-            this.txtChangeLog = new Controls.Base.NGTextBox();
-            this.lblTitle = new Controls.Base.NGLabel();
-            this.lblVersion = new Controls.Base.NGLabel();
-            this.lblChangeLog = new Controls.Base.NGLabel();
-            this.lblLicense = new Controls.Base.NGLabel();
-            this.lblCopyright = new Controls.Base.NGLabel();
+            this.lblCredits = new mRemoteNG.UI.Controls.Base.NGLabel();
+            this.txtCredits = new mRemoteNG.UI.Controls.Base.NGTextBox();
+            this.txtChangeLog = new mRemoteNG.UI.Controls.Base.NGTextBox();
+            this.lblTitle = new mRemoteNG.UI.Controls.Base.NGLabel();
+            this.lblVersion = new mRemoteNG.UI.Controls.Base.NGLabel();
+            this.lblChangeLog = new mRemoteNG.UI.Controls.Base.NGLabel();
+            this.lblLicense = new mRemoteNG.UI.Controls.Base.NGLabel();
+            this.lblCopyright = new mRemoteNG.UI.Controls.Base.NGLabel();
             this.pnlTop.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.pbLogo)).BeginInit();
             this.pnlBottom.SuspendLayout();
@@ -91,7 +89,6 @@ namespace mRemoteNG.UI.Window
             | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
             this.pnlBottom.BackColor = System.Drawing.SystemColors.Control;
-            this.pnlBottom.Controls.Add(this.verText);
             this.pnlBottom.Controls.Add(this.lblCredits);
             this.pnlBottom.Controls.Add(this.txtCredits);
             this.pnlBottom.Controls.Add(this.txtChangeLog);
@@ -106,18 +103,6 @@ namespace mRemoteNG.UI.Window
             this.pnlBottom.Size = new System.Drawing.Size(1121, 559);
             this.pnlBottom.TabIndex = 1;
             // 
-            // verText
-            // 
-            this.verText.BackColor = System.Drawing.SystemColors.Control;
-            this.verText.BorderStyle = System.Windows.Forms.BorderStyle.None;
-            this.verText.Font = new System.Drawing.Font("Segoe UI", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
-            this.verText.Location = new System.Drawing.Point(69, 51);
-            this.verText.Name = "verText";
-            this.verText.Size = new System.Drawing.Size(147, 20);
-            this.verText.TabIndex = 12;
-            this.verText.TabStop = false;
-            this.verText.Text = "w.x.y.z";
-            // 
             // lblCredits
             // 
             this.lblCredits.AutoSize = true;
@@ -275,14 +260,16 @@ namespace mRemoteNG.UI.Window
 
         private new void ApplyTheme()
         {
-            if (Themes.ThemeManager.getInstance().ThemingActive)
-            {
-                base.ApplyTheme(); 
-                pnlBottom.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
-                pnlBottom.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
-                pnlTop.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
-                pnlTop.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
-            }
+            if (!Themes.ThemeManager.getInstance().ThemingActive) return;
+            base.ApplyTheme();
+            BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            pnlBottom.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            pnlBottom.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            pnlTop.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            pnlTop.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            lblEdition.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            lblEdition.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
         }
 
         private void ApplyEditions()
@@ -329,8 +316,7 @@ namespace mRemoteNG.UI.Window
 	        {
 	            lblCopyright.Text = GeneralAppInfo.Copyright;
 
-	            lblVersion.Text = @"Version ";
-	            verText.Text = GeneralAppInfo.ApplicationVersion;
+	            lblVersion.Text = $@"Version {GeneralAppInfo.ApplicationVersion}";
 
 	            if (File.Exists(GeneralAppInfo.HomePath + "\\CHANGELOG.TXT"))
 	            {

mRemoteV1/UI/Window/ComponentsCheckWindow.cs

@@ -399,6 +399,8 @@ namespace mRemoteNG.UI.Window
             WindowType = WindowType.ComponentsCheck;
             DockPnl = new DockContent();
             InitializeComponent();
+            FontOverrider.FontOverride(this);
+            Themes.ThemeManager.getInstance().ThemeChanged += ApplyTheme;
         }
         #endregion
 
@@ -406,6 +408,7 @@ namespace mRemoteNG.UI.Window
         private void ComponentsCheck_Load(object sender, EventArgs e)
         {
             ApplyLanguage();
+            ApplyTheme();
             chkAlwaysShow.Checked = Settings.Default.StartupComponentsCheck;
             CheckComponents();
         }
@@ -418,6 +421,24 @@ namespace mRemoteNG.UI.Window
             btnCheckAgain.Text = Language.strCcCheckAgain;
         }
 
+        private new void ApplyTheme()
+        {
+            if (!Themes.ThemeManager.getInstance().ThemingActive) return;
+            base.ApplyTheme();
+            pnlCheck1.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            pnlCheck1.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            pnlCheck2.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            pnlCheck2.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            pnlCheck3.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            pnlCheck3.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            pnlCheck4.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            pnlCheck4.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            pnlCheck5.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            pnlCheck5.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+            pnlChecks.BackColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Background");
+            pnlChecks.ForeColor = Themes.ThemeManager.getInstance().ActiveTheme.ExtendedPalette.getColor("Dialog_Foreground");
+        }
+
         private void btnCheckAgain_Click(object sender, EventArgs e)
         {
             CheckComponents();

mRemoteV1/UI/Window/ConfigWindow.cs

@@ -706,7 +706,6 @@ namespace mRemoteNG.UI.Window
                 UpdateRootInfoNode(e);
                 UpdateInheritanceNode();
                 ShowHideGridItems();
-                Runtime.ConnectionsService.SaveConnectionsAsync();
             }
             catch (Exception ex)
 			{

mRemoteV1/UI/Window/ConnectionTreeWindow.cs

@@ -1,9 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Drawing;
-using System.Linq;
-using System.Windows.Forms;
 using mRemoteNG.App;
 using mRemoteNG.Config.Connections;
 using mRemoteNG.Connection;
@@ -11,6 +5,12 @@ using mRemoteNG.Themes;
 using mRemoteNG.Tree;
 using mRemoteNG.Tree.Root;
 using mRemoteNG.UI.Controls;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing;
+using System.Linq;
+using System.Windows.Forms;
 using WeifenLuo.WinFormsUI.Docking;
 // ReSharper disable ArrangeAccessorOwnerBody
 
@@ -18,7 +18,6 @@ namespace mRemoteNG.UI.Window
 {
     public partial class ConnectionTreeWindow
 	{
-	    private readonly ConnectionContextMenu _contextMenu;
         private readonly IConnectionInitiator _connectionInitiator = new ConnectionInitiator();
 		private ThemeManager _themeManager;
 
@@ -39,8 +38,6 @@ namespace mRemoteNG.UI.Window
 			WindowType = WindowType.Tree;
 			DockPnl = panel;
 			InitializeComponent();
-			_contextMenu = new ConnectionContextMenu(olvConnections);
-			olvConnections.ContextMenuStrip = _contextMenu;
 			SetMenuEventHandlers();
 		    SetConnectionTreeEventHandlers();
 		    Settings.Default.PropertyChanged += OnAppSettingsChanged;
@@ -53,8 +50,6 @@ namespace mRemoteNG.UI.Window
 	            ConnectionTree.UseFiltering = Settings.Default.UseFilterSearch;
 	            ApplyFiltering();
             }
-
-	        SetConnectionTreeEventHandlers();
 	    }
 
 
@@ -92,7 +87,7 @@ namespace mRemoteNG.UI.Window
         {
             if (!_themeManager.ThemingActive) return;
             vsToolStripExtender.SetStyle(msMain, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
-            vsToolStripExtender.SetStyle(_contextMenu, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
+            vsToolStripExtender.SetStyle(olvConnections.ContextMenuStrip, _themeManager.ActiveTheme.Version, _themeManager.ActiveTheme.Theme);
             //Treelistview need to be manually themed
             olvConnections.BackColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("TreeView_Background");
             olvConnections.ForeColor = _themeManager.ActiveTheme.ExtendedPalette.getColor("TreeView_Foreground");
@@ -158,6 +153,12 @@ namespace mRemoteNG.UI.Window
 
 	    private void ConnectionsServiceOnConnectionsLoaded(object o, ConnectionsLoadedEventArgs connectionsLoadedEventArgs)
 	    {
+	        if (olvConnections.InvokeRequired)
+	        {
+	            olvConnections.Invoke(() => ConnectionsServiceOnConnectionsLoaded(o, connectionsLoadedEventArgs));
+                return;
+	        }
+
 	        olvConnections.ConnectionTreeModel = connectionsLoadedEventArgs.NewConnectionTreeModel;
 	        olvConnections.SelectedObject = connectionsLoadedEventArgs.NewConnectionTreeModel.RootNodes
 	            .OfType<RootNodeInfo>().FirstOrDefault();

mRemoteV1/UI/Window/ExternalToolsWindow.cs

@@ -134,6 +134,19 @@ namespace mRemoteNG.UI.Window
             RunElevatedCheckBox.Checked = selectedTool?.RunElevated ?? false;
 	        WaitForExitCheckBox.Enabled = !TryToIntegrateCheckBox.Checked;
         }
+
+	    private void UpdateToolstipControls()
+	    {
+	        _currentlySelectedExternalTools.Clear();
+	        _currentlySelectedExternalTools.AddRange(ToolsListObjView.SelectedObjects.OfType<ExternalTool>());
+	        PropertiesGroupBox.Enabled = _currentlySelectedExternalTools.Count == 1;
+
+	        var atleastOneToolSelected = _currentlySelectedExternalTools.Count > 0;
+	        DeleteToolMenuItem.Enabled = atleastOneToolSelected;
+	        DeleteToolToolstripButton.Enabled = atleastOneToolSelected;
+	        LaunchToolMenuItem.Enabled = atleastOneToolSelected;
+	        LaunchToolToolstripButton.Enabled = atleastOneToolSelected;
+        }
 	    #endregion
 
         #region Event Handlers
@@ -193,6 +206,8 @@ namespace mRemoteNG.UI.Window
 			    ToolsListObjView.SelectedIndex = oldSelectedIndex <= maxIndex
 			        ? oldSelectedIndex
 			        : maxIndex;
+
+			    UpdateToolstipControls();
             }
 			catch (Exception ex)
 			{
@@ -209,15 +224,7 @@ namespace mRemoteNG.UI.Window
 		{
 			try
 			{
-                _currentlySelectedExternalTools.Clear();
-			    _currentlySelectedExternalTools.AddRange(ToolsListObjView.SelectedObjects.OfType<ExternalTool>());
-                PropertiesGroupBox.Enabled = _currentlySelectedExternalTools.Count == 1;
-
-			    var atleastOneToolSelected = _currentlySelectedExternalTools.Count > 0;
-                DeleteToolMenuItem.Enabled = atleastOneToolSelected;
-			    DeleteToolToolstripButton.Enabled = atleastOneToolSelected;
-			    LaunchToolMenuItem.Enabled = atleastOneToolSelected;
-			    LaunchToolToolstripButton.Enabled = atleastOneToolSelected;
+			    UpdateToolstipControls();
 			}
 			catch (Exception ex)
 			{

mRemoteV1/app.config

@@ -698,6 +698,9 @@
       <setting name="StartUpPanelName" serializeAs="String">
         <value>General</value>
       </setting>
+      <setting name="OverrideFIPSCheck" serializeAs="String">
+        <value>False</value>
+      </setting>
     </mRemoteNG.Settings>
   </userSettings>
   <applicationSettings>

mRemoteV1/mRemoteV1.csproj

@@ -136,6 +136,7 @@
     <Compile Include="Config\Connections\ConnectionsLoadedEventArgs.cs" />
     <Compile Include="Config\Connections\ConnectionsSavedEventArgs.cs" />
     <Compile Include="Config\Connections\CsvConnectionsSaver.cs" />
+    <Compile Include="Config\Connections\IConnectionsLoader.cs" />
     <Compile Include="Config\Connections\SaveConnectionsOnEdit.cs" />
     <Compile Include="Config\Connections\SaveFormat.cs" />
     <Compile Include="Config\Connections\Multiuser\ConnectionsUpdateCheckFinishedEventArgs.cs" />
@@ -159,6 +160,9 @@
     <Compile Include="Config\ILoader.cs" />
     <Compile Include="Config\Import\MRemoteNGCsvImporter.cs" />
     <Compile Include="Config\ISaver.cs" />
+    <Compile Include="Config\Serializers\ConnectionSerializers\MsSql\LocalConnectionPropertiesModel.cs" />
+    <Compile Include="Config\Serializers\ConnectionSerializers\MsSql\LocalConnectionPropertiesXmlSerializer.cs" />
+    <Compile Include="Config\Serializers\ConnectionSerializers\MsSql\SqlConnectionListMetaData.cs" />
     <Compile Include="Config\Serializers\CredentialProviderSerializer\CredentialRepositoryListDeserializer.cs" />
     <Compile Include="Config\CredentialRepositoryListLoader.cs" />
     <Compile Include="Config\Serializers\CredentialSerializer\XmlCredentialPasswordDecryptorDecorator.cs" />
@@ -169,14 +173,14 @@
     <Compile Include="Config\Serializers\CredentialProviderSerializer\CredentialRepositoryListSerializer.cs" />
     <Compile Include="Config\Serializers\ConnectionSerializers\Csv\CsvConnectionsDeserializerMremotengFormat.cs" />
     <Compile Include="Config\Serializers\ConnectionSerializers\Csv\CsvConnectionsSerializerMremotengFormat.cs" />
-    <Compile Include="Config\Serializers\DataTableDeserializer.cs" />
-    <Compile Include="Config\Serializers\DataTableSerializer.cs" />
+    <Compile Include="Config\Serializers\ConnectionSerializers\MsSql\DataTableDeserializer.cs" />
+    <Compile Include="Config\Serializers\ConnectionSerializers\MsSql\DataTableSerializer.cs" />
     <Compile Include="Config\Serializers\MiscSerializers\PortScanDeserializer.cs" />
     <Compile Include="Config\Serializers\MiscSerializers\PuttyConnectionManagerDeserializer.cs" />
     <Compile Include="Config\Serializers\MiscSerializers\RemoteDesktopConnectionDeserializer.cs" />
     <Compile Include="Config\Serializers\MiscSerializers\RemoteDesktopConnectionManagerDeserializer.cs" />
     <Compile Include="Config\Serializers\ConnectionSerializers\Xml\XmlConnectionNodeSerializer26.cs" />
-    <Compile Include="Config\Serializers\Versioning\SqlDatabaseVersionRetriever.cs" />
+    <Compile Include="Config\Serializers\ConnectionSerializers\MsSql\SqlDatabaseMetaDataRetriever.cs" />
     <Compile Include="Config\Serializers\Versioning\IVersionUpgrader.cs" />
     <Compile Include="Config\Serializers\Versioning\SqlVersion22To23Upgrader.cs" />
     <Compile Include="Config\Serializers\Versioning\SqlVersion23To24Upgrader.cs" />
@@ -314,6 +318,7 @@
     <Compile Include="Tools\Cmdline\StartupArgumentsInterpreter.cs" />
     <Compile Include="Tools\CustomCollections\CollectionUpdatedEventArgs.cs" />
     <Compile Include="Settings.cs" />
+    <Compile Include="Tools\DisposableAction.cs" />
     <Compile Include="Tools\Extensions.cs" />
     <Compile Include="Tools\ExternalToolArgumentParser.cs" />
     <Compile Include="Tools\Cmdline\CmdArgumentsInterpreter.cs" />