Implemented machine studio connection via access token WORKING!.

Implemented machine studio login method selection.

17 files changed, 395 insertions, 109 deletions

diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Storage/Tango.MachineStudio.Storage_yjpbed13_wpftmp.csproj b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Storage/Tango.MachineStudio.Storage_yjpbed13_wpftmp.csproj
new file mode 100644
index 000000000..698c6fe82
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Storage/Tango.MachineStudio.Storage_yjpbed13_wpftmp.csproj
@@ -0,0 +1,154 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{5991F6B5-EA4E-41E9-A4F6-7D3A50010FD6}</ProjectGuid>
+    <OutputType>library</OutputType>
+    <RootNamespace>Tango.MachineStudio.Storage</RootNamespace>
+    <AssemblyName>Tango.MachineStudio.Storage</AssemblyName>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <WarningLevel>4</WarningLevel>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\..\..\Build\Machine Studio\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\..\..\Build\Machine Studio\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Versioning\GlobalVersionInfo.cs">
+      <Link>GlobalVersionInfo.cs</Link>
+    </Compile>
+    <Compile Include="Converters\StorageItemToImageConverter.cs" />
+    <Compile Include="Helpers\FileIconHelper.cs" />
+    <Compile Include="Models\StorageFileHandlerModel.cs" />
+    <Compile Include="Models\StorageFileHandlerType.cs" />
+    <Compile Include="StorageModule.cs" />
+    <Compile Include="ViewModelLocator.cs" />
+    <Compile Include="ViewModels\MainViewVM.cs" />
+    <Compile Include="Views\MainView.xaml.cs">
+      <DependentUpon>MainView.xaml</DependentUpon>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+    <Compile Include="Properties\Settings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Settings.settings</DependentUpon>
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+    </Compile>
+    <EmbeddedResource Include="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+    <None Include="app.config" />
+    <None Include="packages.config" />
+    <None Include="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Tango.BL\Tango.BL.csproj">
+      <Project>{f441feee-322a-4943-b566-110e12fd3b72}</Project>
+      <Name>Tango.BL</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Tango.Core\Tango.Core.csproj">
+      <Project>{a34ee0f0-649d-41c8-8489-b6f1cc6924ee}</Project>
+      <Name>Tango.Core</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Tango.Integration\Tango.Integration.csproj">
+      <Project>{4206ac58-3b57-4699-8835-90bf6db01a61}</Project>
+      <Name>Tango.Integration</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Tango.Logging\Tango.Logging.csproj">
+      <Project>{bc932dbd-7cdb-488c-99e4-f02cf441f55e}</Project>
+      <Name>Tango.Logging</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Tango.SharedUI\Tango.SharedUI.csproj">
+      <Project>{8491d07b-c1f6-4b62-a412-41b9fd2d6538}</Project>
+      <Name>Tango.SharedUI</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Tango.Transport\Tango.Transport.csproj">
+      <Project>{74e700b0-1156-4126-be40-ee450d3c3026}</Project>
+      <Name>Tango.Transport</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Utilities\Tango.FirmwarePackageGenerator\Tango.FirmwarePackageGenerator.csproj">
+      <Project>{43135fb9-41db-4f87-9771-cf2c762027c0}</Project>
+      <Name>Tango.FirmwarePackageGenerator</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Tango.MachineStudio.Common\Tango.MachineStudio.Common.csproj">
+      <Project>{cb0b0aa2-bb24-4bca-a720-45e397684e12}</Project>
+      <Name>Tango.MachineStudio.Common</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup />
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <ItemGroup>
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\packages\EntityFramework.6.2.0\lib\net45\EntityFramework.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\packages\EntityFramework.6.2.0\lib\net45\EntityFramework.SqlServer.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\Build\Utilities\Debug\fpgen.exe" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\packages\MahApps.Metro.1.5.0\lib\net45\MahApps.Metro.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\packages\MaterialDesignColors.1.1.2\lib\net45\MaterialDesignColors.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\packages\MaterialDesignThemes.2.3.1.953\lib\net45\MaterialDesignThemes.Wpf.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\Microsoft.CSharp.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\mscorlib.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\PresentationCore.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\PresentationFramework.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.ComponentModel.DataAnnotations.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Core.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Data.DataSetExtensions.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Data.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Drawing.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Net.Http.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\packages\MahApps.Metro.1.5.0\lib\net45\System.Windows.Interactivity.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Xaml.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Xml.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Xml.Linq.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\Build\Core\Debug\Tango.BL.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\Build\Core\Debug\Tango.Core.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\Build\Core\Debug\Tango.Integration.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\Build\Core\Debug\Tango.Logging.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\Build\Machine Studio\Debug\Tango.MachineStudio.Common.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\Build\Core\Debug\Tango.SharedUI.dll" />
+    <ReferencePath Include="C:\DATA\Development\Tango\Software\Visual_Studio\Build\Core\Debug\Tango.Transport.dll" />
+    <ReferencePath Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\WindowsBase.dll" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="C:\DATA\Development\Tango\Software\Visual_Studio\MachineStudio\Modules\Tango.MachineStudio.Storage\obj\Debug\App.g.cs" />
+    <Compile Include="C:\DATA\Development\Tango\Software\Visual_Studio\MachineStudio\Modules\Tango.MachineStudio.Storage\obj\Debug\Views\MainView.g.cs" />
+    <Compile Include="C:\DATA\Development\Tango\Software\Visual_Studio\MachineStudio\Modules\Tango.MachineStudio.Storage\obj\Debug\GeneratedInternalTypeHelper.g.cs" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Authentication/IAuthenticationProvider.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Authentication/IAuthenticationProvider.cs
index 74969fd27..cb231fa05 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Authentication/IAuthenticationProvider.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Authentication/IAuthenticationProvider.cs
@@ -29,7 +29,7 @@ namespace Tango.MachineStudio.Common.Authentication
         /// <param name="email">The email.</param>
         /// <param name="password">The password.</param>
         /// <returns></returns>
-        AuthenticationLoginResult Login(String email, String password, bool bypassVersionCheck = false);
+        AuthenticationLoginResult Login(String email, String password, LoginMethod method, bool bypassVersionCheck = false);
 
         /// <summary>
         /// Logs-out the current logged-in user.
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/MachineStudioSettings.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/MachineStudioSettings.cs
index 6ab26028f..91eaa857d 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/MachineStudioSettings.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/MachineStudioSettings.cs
@@ -8,6 +8,7 @@ using System.Windows;
 using Tango.BL;
 using Tango.Integration.Operation;
 using Tango.Logging;
+using Tango.MachineStudio.Common.Web;
 using Tango.PMR.Printing;
 using Tango.Settings;
 using Tango.Web;
@@ -40,6 +41,11 @@ namespace Tango.MachineStudio.Common
         public String LastLoginPassword { get; set; }
 
         /// <summary>
+        /// Gets or sets the last login method.
+        /// </summary>
+        public LoginMethod LastLoginMethod { get; set; }
+
+        /// <summary>
         /// Gets or sets a value indicating whether to save the user credentials.
         /// </summary>
         public bool RememberMe { get; set; }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
index 5e874add1..2df984c7c 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Tango.MachineStudio.Common.csproj
@@ -105,6 +105,7 @@
     <Compile Include="Tup\TupFileBuilderProgressEventArgs.cs" />
     <Compile Include="Web\DownloadLatestPPCVersionRequest.cs" />
     <Compile Include="Web\DownloadLatestPPCVersionResponse.cs" />
+    <Compile Include="Web\LoginMethod.cs" />
     <Compile Include="Web\LoginRequest.cs" />
     <Compile Include="Web\LoginResponse.cs" />
     <Compile Include="AutoComplete\MachinesProvider.cs" />
@@ -426,7 +427,7 @@
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <ProjectExtensions>
     <VisualStudio>
-      <UserProperties BuildVersion_StartDate="2000/1/1" BuildVersion_UseGlobalSettings="False" BuildVersion_BuildVersioningStyle="None.None.Increment.TimeStamp" BuildVersion_UpdateAssemblyVersion="True" BuildVersion_AssemblyInfoFilename="Properties\AssemblyInfo.cs" />
+      <UserProperties BuildVersion_AssemblyInfoFilename="Properties\AssemblyInfo.cs" BuildVersion_UpdateAssemblyVersion="True" BuildVersion_BuildVersioningStyle="None.None.Increment.TimeStamp" BuildVersion_UseGlobalSettings="False" BuildVersion_StartDate="2000/1/1" />
     </VisualStudio>
   </ProjectExtensions>
 </Project>
\ No newline at end of file
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Web/LoginMethod.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Web/LoginMethod.cs
new file mode 100644
index 000000000..83f1c0850
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Web/LoginMethod.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tango.MachineStudio.Common.Web
+{
+    public enum LoginMethod
+    {
+        [Description("Active Directory")]
+        ActiveDirectory,
+        [Description("Standard User")]
+        StandardUser,
+    }
+}
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Web/LoginRequest.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Web/LoginRequest.cs
index 577f5e208..1727a2c6e 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Web/LoginRequest.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Web/LoginRequest.cs
@@ -12,5 +12,6 @@ namespace Tango.MachineStudio.Common.Web
         public String Version { get; set; }
         public String Email { get; set; }
         public String Password { get; set; }
+        public LoginMethod Method { get; set; }
     }
 }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Authentication/DefaultAuthenticationProvider.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Authentication/DefaultAuthenticationProvider.cs
index c992d0768..209b26505 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Authentication/DefaultAuthenticationProvider.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Authentication/DefaultAuthenticationProvider.cs
@@ -90,7 +90,7 @@ namespace Tango.MachineStudio.UI.Authentication
         /// <param name="password">The password.</param>
         /// <returns></returns>
         /// <exception cref="AuthenticationException">Login failed for user " + email</exception>
-        public AuthenticationLoginResult Login(string email, string password, bool bypassVersionCheck = false)
+        public AuthenticationLoginResult Login(string email, string password, LoginMethod method, bool bypassVersionCheck = false)
         {
             _refreshTokenTimer.Stop();
 
@@ -118,6 +118,7 @@ namespace Tango.MachineStudio.UI.Authentication
                     Email = email,
                     Password = password,
                     Version = appVersion,
+                    Method = method,
 
                 }).Result;
             }
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/active_directory.png b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/active_directory.png
new file mode 100644
index 000000000..4cced33e0
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/active_directory.png
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/login.png b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/login.png
new file mode 100644
index 000000000..9f7d0b9ba
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/login.png
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/machinestudio_login.png b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/machinestudio_login.png
new file mode 100644
index 000000000..98f1b286a
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Images/machinestudio_login.png
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Tango.MachineStudio.UI.csproj b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Tango.MachineStudio.UI.csproj
index 565489f0b..efe8fc6b1 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Tango.MachineStudio.UI.csproj
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Tango.MachineStudio.UI.csproj
@@ -363,6 +363,9 @@
       <Link>TCC\template.bmp</Link>
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Content>
+    <Resource Include="Images\login.png" />
+    <Resource Include="Images\active_directory.png" />
+    <Resource Include="Images\machinestudio_login.png" />
     <Resource Include="Images\external-bridge-signalr.png" />
     <Resource Include="machine_new_small.ico" />
     <Resource Include="Images\Statuses\dyeing.png" />
@@ -676,7 +679,7 @@ if $(ConfigurationName) == Release RD /S /Q "$(TargetDir)Roslyn\"</PostBuildEven
   </Target>
   <ProjectExtensions>
     <VisualStudio>
-      <UserProperties BuildVersion_StartDate="2000/1/1" BuildVersion_UpdateAssemblyVersion="True" BuildVersion_AssemblyInfoFilename="Properties\AssemblyInfo.cs" BuildVersion_BuildVersioningStyle="None.None.Increment.DeltaBaseYearDayOfYear" BuildVersion_UpdateFileVersion="True" BuildVersion_DetectChanges="True" BuildVersion_UseGlobalSettings="False" />
+      <UserProperties BuildVersion_UseGlobalSettings="False" BuildVersion_DetectChanges="True" BuildVersion_UpdateFileVersion="True" BuildVersion_BuildVersioningStyle="None.None.Increment.DeltaBaseYearDayOfYear" BuildVersion_AssemblyInfoFilename="Properties\AssemblyInfo.cs" BuildVersion_UpdateAssemblyVersion="True" BuildVersion_StartDate="2000/1/1" />
     </VisualStudio>
   </ProjectExtensions>
 </Project>
\ No newline at end of file
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
index cf34764d9..9c2367f93 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/LoginViewVM.cs
@@ -102,6 +102,21 @@ namespace Tango.MachineStudio.UI.ViewModels
             set { _enableSlotSelection = value; RaisePropertyChangedAuto(); }
         }
 
+        private bool _isActiveDirectory;
+        public bool IsActiveDirectory
+        {
+            get { return _isActiveDirectory; }
+            set { _isActiveDirectory = value; RaisePropertyChangedAuto(); if (value) IsStandardUser = false; }
+        }
+
+        private bool _isStandardUser;
+        public bool IsStandardUser
+        {
+            get { return _isStandardUser; }
+            set { _isStandardUser = value; RaisePropertyChangedAuto(); if (value) IsActiveDirectory = false; }
+        }
+
+
 
         /// <summary>
         /// Gets or sets the login command.
@@ -131,6 +146,15 @@ namespace Tango.MachineStudio.UI.ViewModels
             Email = _settings.LastLoginEmail;
             DeploymentSlot = _settings.DeploymentSlot;
             RememberMe = _settings.RememberMe;
+            
+            if (_settings.LastLoginMethod == LoginMethod.ActiveDirectory)
+            {
+                IsActiveDirectory = true;
+            }
+            else
+            {
+                IsStandardUser = true;
+            }
 
             try
             {
@@ -154,11 +178,13 @@ namespace Tango.MachineStudio.UI.ViewModels
                     IsLogging = true;
                     InvalidateRelayCommands();
 
+                    LoginMethod loginMethod = IsActiveDirectory ? LoginMethod.ActiveDirectory : LoginMethod.StandardUser;
+
                     await Task.Factory.StartNew(() =>
                     {
                         _settings.DeploymentSlot = DeploymentSlot;
 
-                        LoginResponse result = _authenticationProvider.Login(Email, Password, _settings.ByPassEnvironmentVersionCheck).Response;
+                        LoginResponse result = _authenticationProvider.Login(Email, Password, loginMethod, _settings.ByPassEnvironmentVersionCheck).Response;
 
                         if (result.VersionChangeRequired && !_settings.ByPassEnvironmentVersionCheck)
                         {
@@ -183,6 +209,7 @@ namespace Tango.MachineStudio.UI.ViewModels
 
                         _settings.LastLoginEmail = Email;
                         _settings.RememberMe = RememberMe;
+                        _settings.LastLoginMethod = loginMethod;
                         _settings.LastLoginPassword = RememberMe ? cryptographer.Encrypt(Password) : null;
                         _settings.Save();
 
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Views/LoginView.xaml b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Views/LoginView.xaml
index d93dbc127..e7428dd28 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Views/LoginView.xaml
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Views/LoginView.xaml
@@ -45,35 +45,57 @@
             <Image Source="{StaticResource MachineBig}" RenderOptions.BitmapScalingMode="Fant" Width="100"></Image>
             <TextBlock Margin="20 0 0 0" VerticalAlignment="Center" FontSize="70" Foreground="{StaticResource AccentColorBrush}">Machine Studio</TextBlock>
         </StackPanel>
-        <DockPanel HorizontalAlignment="Center" VerticalAlignment="Center" Width="320" Margin="0 120 0 0" Height="510">
 
-            <Button DockPanel.Dock="Bottom" AutomationProperties.AutomationId="{x:Static automation:UI.LoginButton}" Margin="25 20 0 0" Height="50" Command="{Binding LoginCommand}" Content="LOGIN"></Button>
+        <Grid>
+            <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Margin="-600 110 0 0" Visibility="{Binding IsLogging,Converter={StaticResource BooleanToVisibilityInverseConverter}}">
+                <RadioButton ToolTip="Login using your an active directory account" IsChecked="{Binding IsActiveDirectory}" FontSize="16" VerticalContentAlignment="Center" Padding="10 0 0 0">
+                    <Image Source="/Images/active_directory.png" Stretch="Uniform" Height="80" RenderOptions.BitmapScalingMode="Fant" />
+                </RadioButton>
+                <RadioButton ToolTip="Login using a standard Machine Studio account" IsChecked="{Binding IsStandardUser}" FontSize="16" Margin="0 20 0 0" VerticalContentAlignment="Center" Padding="10 0 0 0">
+                    <Image Source="/Images/machinestudio_login.png" Stretch="Uniform" Height="55" RenderOptions.BitmapScalingMode="Fant" />
+                </RadioButton>
+            </StackPanel>
+            <DockPanel HorizontalAlignment="Center" VerticalAlignment="Center" Width="320" Margin="0 120 0 0" Height="510">
 
-            <Grid>
-                <StackPanel Visibility="{Binding IsLogging,Converter={StaticResource BooleanToVisibilityInverseConverter}}">
-                    <TextBlock HorizontalAlignment="Center" FontSize="24">Login to your account</TextBlock>
-                    <Image Source="/Images/account.png" RenderOptions.BitmapScalingMode="Fant" Width="100" Margin="0 20 0 0"></Image>
-                    <DockPanel Margin="0 20 0 0">
-                        <materialDesign:PackIcon Margin="0 0 0 0" Width="20" Height="20" VerticalAlignment="Top" Foreground="{Binding ElementName=txtEmail, Path=BorderBrush}" Kind="EmailOutline" />
-                        <TextBox x:Name="txtEmail" IsTabStop="True" Margin="5 0 0 0" materialDesign:HintAssist.FloatingScale="0.50" materialDesign:HintAssist.Hint="Email" materialDesign:TextFieldAssist.TextBoxViewMargin="1 0 1 0" FontSize="20" Style="{StaticResource MaterialDesignFloatingHintTextBox}" Text="{Binding Email,UpdateSourceTrigger=PropertyChanged,ValidatesOnNotifyDataErrors=True}" AutomationProperties.IsRequiredForForm="True" />
-                    </DockPanel>
-                    <DockPanel Margin="0 20 0 0">
-                        <materialDesign:PackIcon Margin="0 0 0 0" Width="20" Height="20" VerticalAlignment="Top" Foreground="{Binding ElementName=txtPass, Path=BorderBrush}" Kind="Key" />
-                        <PasswordBox x:Name="txtPass" helpers:PasswordHelper.Attach="True" helpers:PasswordHelper.Password="{Binding Password,Mode=TwoWay}" Margin="5 0 0 0" materialDesign:HintAssist.FloatingScale="0.50" materialDesign:HintAssist.Hint="Password" materialDesign:TextFieldAssist.TextBoxViewMargin="1 0 1 0" FontSize="20" Style="{StaticResource MaterialDesignFloatingHintPasswordBox}" AutomationProperties.IsRequiredForForm="True" />
-                    </DockPanel>
-                    <DockPanel Margin="0 40 0 0" IsEnabled="{Binding EnableSlotSelection}">
-                        <materialDesign:PackIcon Margin="0 0 0 0" Width="20" Height="20" VerticalAlignment="Top" Foreground="{Binding ElementName=combo, Path=BorderBrush}" Kind="Settings" />
-                        <ComboBox x:Name="combo" ItemsSource="{Binding Source={x:Type web:DeploymentSlot},Converter={StaticResource EnumToItemsSourceConverter}}" SelectedValue="{Binding DeploymentSlot}" SelectedValuePath="Value" DisplayMemberPath="DisplayName" Margin="5 0 0 0" materialDesign:HintAssist.FloatingScale="0.50" materialDesign:HintAssist.Hint="Environment" materialDesign:TextFieldAssist.TextBoxViewMargin="1 0 1 0" FontSize="20" />
-                    </DockPanel>
-                    <TextBlock Visibility="{Binding EnableSlotSelection,Converter={StaticResource BooleanToVisibilityInverseConverter}}" Margin="25 0 0 0" FontSize="10" Foreground="Gray">Environment selection requires restarting the application</TextBlock>
-                    <CheckBox Margin="25 20 0 0" IsChecked="{Binding RememberMe}">Remember me</CheckBox>
-                </StackPanel>
+                <Button DockPanel.Dock="Bottom" AutomationProperties.AutomationId="{x:Static automation:UI.LoginButton}" Margin="25 20 0 0" Height="50" Command="{Binding LoginCommand}" Content="LOGIN"></Button>
 
-                <StackPanel Visibility="{Binding IsLogging,Converter={StaticResource BooleanToVisibilityConverter}}" VerticalAlignment="Center">
-                    <mahapps:ProgressRing Width="80" Height="80" IsActive="{Binding IsLogging}"></mahapps:ProgressRing>
-                    <TextBlock HorizontalAlignment="Center" Margin="0 30 0 0" FontSize="18" FontStyle="Italic">Logging you in...</TextBlock>
-                </StackPanel>
-            </Grid>
-        </DockPanel>
+                <Grid>
+                    <StackPanel Visibility="{Binding IsLogging,Converter={StaticResource BooleanToVisibilityInverseConverter}}">
+                        <TextBlock HorizontalAlignment="Center" FontSize="24">Login to your account</TextBlock>
+                        <Image Source="/Images/login.png" RenderOptions.BitmapScalingMode="Fant" Width="100" Margin="0 20 0 0"></Image>
+                        <DockPanel Margin="0 20 0 0">
+                            <materialDesign:PackIcon Margin="0 0 0 0" Width="20" Height="20" VerticalAlignment="Top" Foreground="{Binding ElementName=txtEmail, Path=BorderBrush}" Kind="EmailOutline" />
+                            <TextBox x:Name="txtEmail" IsTabStop="True" Margin="5 0 0 0" materialDesign:HintAssist.FloatingScale="0.50" materialDesign:TextFieldAssist.TextBoxViewMargin="1 0 1 0" FontSize="20" Text="{Binding Email,UpdateSourceTrigger=PropertyChanged,ValidatesOnNotifyDataErrors=True}" AutomationProperties.IsRequiredForForm="True">
+                                <TextBox.Style>
+                                    <Style TargetType="TextBox" BasedOn="{StaticResource MaterialDesignFloatingHintTextBox}">
+                                        <Setter Property="materialDesign:HintAssist.Hint" Value="Active Directory Email"></Setter>
+                                        <Style.Triggers>
+                                            <DataTrigger Binding="{Binding IsStandardUser}" Value="True">
+                                                <Setter Property="materialDesign:HintAssist.Hint" Value="Machine Studio Email"></Setter>
+                                            </DataTrigger>
+                                        </Style.Triggers>
+                                    </Style>
+                                </TextBox.Style>
+                            </TextBox>
+                        </DockPanel>
+                        <DockPanel Margin="0 20 0 0">
+                            <materialDesign:PackIcon Margin="0 0 0 0" Width="20" Height="20" VerticalAlignment="Top" Foreground="{Binding ElementName=txtPass, Path=BorderBrush}" Kind="Key" />
+                            <PasswordBox x:Name="txtPass" helpers:PasswordHelper.Attach="True" helpers:PasswordHelper.Password="{Binding Password,Mode=TwoWay}" Margin="5 0 0 0" materialDesign:HintAssist.FloatingScale="0.50" materialDesign:HintAssist.Hint="Password" materialDesign:TextFieldAssist.TextBoxViewMargin="1 0 1 0" FontSize="20" Style="{StaticResource MaterialDesignFloatingHintPasswordBox}" AutomationProperties.IsRequiredForForm="True" />
+                        </DockPanel>
+                        <DockPanel Margin="0 40 0 0" IsEnabled="{Binding EnableSlotSelection}">
+                            <materialDesign:PackIcon Margin="0 0 0 0" Width="20" Height="20" VerticalAlignment="Top" Foreground="{Binding ElementName=combo, Path=BorderBrush}" Kind="Settings" />
+                            <ComboBox x:Name="combo" ItemsSource="{Binding Source={x:Type web:DeploymentSlot},Converter={StaticResource EnumToItemsSourceConverter}}" SelectedValue="{Binding DeploymentSlot}" SelectedValuePath="Value" DisplayMemberPath="DisplayName" Margin="5 0 0 0" materialDesign:HintAssist.FloatingScale="0.50" materialDesign:HintAssist.Hint="Environment" materialDesign:TextFieldAssist.TextBoxViewMargin="1 0 1 0" FontSize="20" />
+                        </DockPanel>
+                        <TextBlock Visibility="{Binding EnableSlotSelection,Converter={StaticResource BooleanToVisibilityInverseConverter}}" Margin="25 0 0 0" FontSize="10" Foreground="Gray">Environment selection requires restarting the application</TextBlock>
+                        <CheckBox Margin="25 20 0 0" IsChecked="{Binding RememberMe}">Remember me</CheckBox>
+                    </StackPanel>
+
+                    <StackPanel Visibility="{Binding IsLogging,Converter={StaticResource BooleanToVisibilityConverter}}" VerticalAlignment="Center">
+                        <mahapps:ProgressRing Width="80" Height="80" IsActive="{Binding IsLogging}"></mahapps:ProgressRing>
+                        <TextBlock HorizontalAlignment="Center" Margin="0 30 0 0" FontSize="18" FontStyle="Italic">Logging you in...</TextBlock>
+                    </StackPanel>
+                </Grid>
+            </DockPanel>
+        </Grid>
     </Grid>
 </UserControl>
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Views/MainView.xaml b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Views/MainView.xaml
index 020343ba0..48f7b46d3 100644
--- a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Views/MainView.xaml
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/Views/MainView.xaml
@@ -55,7 +55,7 @@
                                     IsChecked="{Binding Source={x:Reference MenuToggleButton}, Path=IsChecked, Mode=TwoWay}" />
 
                             <StackPanel Margin="5 0 0 0" Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center">
-                                <Image Source="/Images/account.png" RenderOptions.BitmapScalingMode="Fant" VerticalAlignment="Center" Width="50" Height="50"></Image>
+                                <Image Source="/Images/login.png" RenderOptions.BitmapScalingMode="Fant" VerticalAlignment="Center" Width="50" Height="50"></Image>
                                 <StackPanel Margin="0 5 0 0">
                                     <TextBlock FontSize="16" TextTrimming="CharacterEllipsis" MaxWidth="170" FontStyle="Italic" FontWeight="Bold" Margin="10 0 0 0" VerticalAlignment="Center" Text="{Binding AuthenticationProvider.CurrentUser.Contact.FullName}"></TextBlock>
                                     <TextBlock FontSize="12" TextTrimming="CharacterEllipsis" MaxWidth="170" FontStyle="Italic" Margin="10 5 0 0" VerticalAlignment="Center">
diff --git a/Software/Visual_Studio/Tango.BL/ObservablesContextExtension.cs b/Software/Visual_Studio/Tango.BL/ObservablesContextExtension.cs
index 263574f68..3d330b797 100644
--- a/Software/Visual_Studio/Tango.BL/ObservablesContextExtension.cs
+++ b/Software/Visual_Studio/Tango.BL/ObservablesContextExtension.cs
@@ -5,6 +5,7 @@ using System.Collections.ObjectModel;
 using System.Data.Entity;
 using System.Data.Entity.Core.Objects;
 using System.Data.Entity.Infrastructure;
+using System.Data.SqlClient;
 using System.Data.SQLite;
 using System.IO;
 using System.Linq;
@@ -25,6 +26,7 @@ namespace Tango.BL
         private ObservablesContextAdapter _adapter;
         private static DataSource _override_datasource;
         private DataSource _dataSource;
+        private static List<ObservablesContext> _open_contexts;
 
         /// <summary>
         /// Gets a value indicating whether this instance is disposed.
@@ -32,11 +34,19 @@ namespace Tango.BL
         public bool IsDisposed { get; private set; }
 
         /// <summary>
+        /// Initializes the <see cref="ObservablesContext"/> class.
+        /// </summary>
+        static ObservablesContext()
+        {
+            _open_contexts = new List<ObservablesContext>();
+        }
+
+        /// <summary>
         /// Initializes a new instance of the <see cref="ObservablesContext"/> class.
         /// </summary>
         public ObservablesContext()
         {
-            
+            _open_contexts.Add(this);
         }
 
         /// <summary>
@@ -46,6 +56,7 @@ namespace Tango.BL
         /// <param name="isFile">if set to <c>true</c> will try to connect to an .mdf file.</param>
         public ObservablesContext(DataSource dataSource) : base(dataSource.ToConnection(), true)
         {
+            _open_contexts.Add(this);
             _dataSource = dataSource;
             Database.SetInitializer<ObservablesContext>(null);
             Configuration.LazyLoadingEnabled = false;
@@ -286,6 +297,7 @@ namespace Tango.BL
         /// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
         protected override void Dispose(bool disposing)
         {
+            _open_contexts.Remove(this);
             base.Dispose(disposing);
             IsDisposed = true;
         }
@@ -296,6 +308,16 @@ namespace Tango.BL
             {
                 _override_datasource.AccessToken = accessToken;
                 _override_datasource.AccessTokenExpiration = expiration;
+
+                foreach (var context in _open_contexts.Where(x => x._dataSource.Type == DataSourceType.AccessToken))
+                {
+                    context._dataSource = _override_datasource;
+                    var connection = context.Database.Connection as SqlConnection;
+                    if (connection != null)
+                    {
+                        connection.AccessToken = context._dataSource.AccessToken;
+                    }
+                }
             }
         }
     }
diff --git a/Software/Visual_Studio/Tango.Web/SQLServer/SQLServerManager.cs b/Software/Visual_Studio/Tango.Web/SQLServer/SQLServerManager.cs
index ce83d387c..8bc84f7b5 100644
--- a/Software/Visual_Studio/Tango.Web/SQLServer/SQLServerManager.cs
+++ b/Software/Visual_Studio/Tango.Web/SQLServer/SQLServerManager.cs
@@ -15,6 +15,7 @@ namespace Tango.Web.SQLServer
         public AuthenticationResult GetAccessToken()
         {
             var authContext = new AuthenticationContext(_service_root);
+            authContext.TokenCache.Clear();
             ClientCredential clientCredentials = new ClientCredential(WebConfig.CLIENT_ID, WebConfig.APP_SECRET);
             AuthenticationResult authResult = authContext.AcquireTokenAsync("https://database.windows.net/", clientCredentials).Result;
             return authResult;
diff --git a/Software/Visual_Studio/Web/Tango.MachineService/Controllers/MachineStudioController.cs b/Software/Visual_Studio/Web/Tango.MachineService/Controllers/MachineStudioController.cs
index da5ce16f7..0fd116361 100644
--- a/Software/Visual_Studio/Web/Tango.MachineService/Controllers/MachineStudioController.cs
+++ b/Software/Visual_Studio/Web/Tango.MachineService/Controllers/MachineStudioController.cs
@@ -286,20 +286,9 @@ namespace Tango.MachineService.Controllers
         public LoginResponse Login(LoginRequest request)
         {
             AuthenticationResult authResult = null;
-
-            try
-            {
-                authResult = _ad_manager.ValidateUserCredentials(request.Email, request.Password);
-            }
-            catch (Exception ex)
-            {
-                throw new AuthenticationException(ex.FlattenMessage());
-            }
-
-            if (!_ad_manager.CanUserAccessCurrentEnvironment(request.Email))
-            {
-                throw new AuthenticationException($"You do not have permissions to access the {MachineServiceConfig.DEPLOYMENT_SLOT.ToDescription()} environment.");
-            }
+            User user = null;
+            DataSource dataSource = null;
+            IHashGenerator hash = new BasicHashGenerator();
 
             Version client_version;
 
@@ -310,84 +299,122 @@ namespace Tango.MachineService.Controllers
 
             bool versionChangeRequired = false;
             String requiredVersion = null;
+            bool isPasswordOK = false;
 
-            User user = null;
-
-            using (ObservablesContext db = ObservablesContextHelper.CreateContext())
+            try
             {
-                db.Roles.ToList();
-                db.Permissions.ToList();
-                db.UsersRoles.ToList();
-                db.RolesPermissions.ToList();
+                authResult = _ad_manager.ValidateUserCredentials(request.Email, request.Password);
+                isPasswordOK = true;
+            }
+            catch {}
 
-                user = new UserBuilder(db).Set(x => x.Email.ToLower() == request.Email.ToLower()).WithRolesAndPermissions().WithDeleted().Build();
+            //Login via Active Directory
+            if (request.Method == LoginMethod.ActiveDirectory)
+            {
+                try
+                {
+                    authResult = _ad_manager.ValidateUserCredentials(request.Email, request.Password);
+                }
+                catch (Exception ex)
+                {
+                    throw new AuthenticationException(ex.FlattenMessage());
+                }
 
-                IHashGenerator g = new BasicHashGenerator();
+                if (!_ad_manager.CanUserAccessCurrentEnvironment(request.Email))
+                {
+                    throw new AuthenticationException($"You do not have permissions to access the {MachineServiceConfig.DEPLOYMENT_SLOT.ToDescription()} environment.");
+                }
 
-                if (user == null)
+                using (ObservablesContext db = ObservablesContextHelper.CreateContext())
                 {
-                    //Than add the user !!
-                    User new_user = new User();
-                    new_user.Email = request.Email;
-                    new_user.Password = g.Encrypt(request.Password);
-                    new_user.Organization = db.Organizations.Include(x => x.Address).Single(x => x.Name == "Twine");
-                    new_user.Address = new_user.Organization.Address.Clone();
-                    new_user.Contact = new Contact()
-                    {
-                        FirstName = authResult.UserInfo.GivenName,
-                        LastName = authResult.UserInfo.FamilyName,
-                        FullName = authResult.UserInfo.GivenName + " " + authResult.UserInfo.FamilyName,
-                        Email = request.Email,
-                    };
+                    db.Roles.ToList();
+                    db.Permissions.ToList();
+                    db.UsersRoles.ToList();
+                    db.RolesPermissions.ToList();
 
-                    db.UsersRoles.Add(new UsersRole()
-                    {
-                        User = new_user,
-                        Role = db.Roles.Single(x => (Roles)x.Code == Roles.User),
-                    });
+                    user = new UserBuilder(db).Set(x => x.Email.ToLower() == request.Email.ToLower()).WithRolesAndPermissions().WithDeleted().Build();
 
-                    db.UsersRoles.Add(new UsersRole()
+                    if (user == null)
                     {
-                        User = new_user,
-                        Role = db.Roles.Single(x => (Roles)x.Code == Roles.MachineStudioUser),
-                    });
+                        user = new User();
+                        user.Email = request.Email;
+                        user.Password = hash.Encrypt(request.Password);
+                        user.Organization = db.Organizations.Include(x => x.Address).Single(x => x.Name == "Twine");
+                        user.Address = user.Organization.Address.Clone();
+                        user.Contact = new Contact()
+                        {
+                            FirstName = authResult.UserInfo.GivenName,
+                            LastName = authResult.UserInfo.FamilyName,
+                            FullName = authResult.UserInfo.GivenName + " " + authResult.UserInfo.FamilyName,
+                            Email = request.Email,
+                        };
 
-                    new_user.LastLogin = DateTime.UtcNow;
-                    db.Users.Add(new_user);
-                }
-                else
-                {
-                    if (user.Deleted)
+                        db.UsersRoles.Add(new UsersRole()
+                        {
+                            User = user,
+                            Role = db.Roles.Single(x => (Roles)x.Code == Roles.User),
+                        });
+
+                        db.UsersRoles.Add(new UsersRole()
+                        {
+                            User = user,
+                            Role = db.Roles.Single(x => (Roles)x.Code == Roles.MachineStudioUser),
+                        });
+
+                        user.Password = hash.Encrypt(request.Password);
+
+                        db.Users.Add(user);
+                    }
+                    else
                     {
-                        throw new AuthenticationException("Your account has been disabled. Please contact your administrator.");
+                        if (user.Deleted)
+                        {
+                            throw new AuthenticationException("Your account has been disabled. Please contact your administrator.");
+                        }
                     }
 
                     user.LastLogin = DateTime.UtcNow;
-                    user.Password = g.Encrypt(request.Password);
+
+                    db.SaveChanges();
                 }
 
-                db.SaveChanges();
+                dataSource = new DataSource()
+                {
+                    Address = MachineServiceConfig.DB_ADDRESS,
+                    Catalog = MachineServiceConfig.DB_CATALOG,
+                    Type = Core.DataSourceType.Azure,
+                    IntegratedSecurity = false,
+                    UserName = request.Email,
+                    Password = request.Password,
+                };
+            }
+            //Login via Database standard user
+            else
+            {
+                var password = hash.Encrypt(request.Password);
 
-                if (MachineServiceConfig.ENFORCE_MACHINE_STUDIO_VERSION)
+                using (var db = ObservablesContextHelper.CreateContext())
                 {
-                    var latest_version = db.MachineStudioVersions.ToList().OrderByDescending(x => Version.Parse(x.Version)).FirstOrDefault();
+                    user = new UserBuilder(db).Set(x => x.Email.ToLower() == request.Email.ToLower() && (isPasswordOK || x.Password == password)).WithRolesAndPermissions().WithDeleted().Build();
 
-                    if (latest_version != null && Version.Parse(latest_version.Version) != client_version)
+                    if (user == null)
                     {
-                        versionChangeRequired = true;
-                        requiredVersion = latest_version.Version;
+                        throw new AuthenticationException("Invalid email or password.");
                     }
-                }
-            }
 
-            Core.DataSource dataSource = null;
+                    if (user.Deleted)
+                    {
+                        throw new AuthenticationException("Your account has been disabled. Please contact your administrator.");
+                    }
+
+                    user.LastLogin = DateTime.UtcNow;
+                    db.SaveChanges();
+                }
 
-            if (MachineServiceConfig.USE_DB_ACCESS_TOKENS)
-            {
                 SQLServerManager sqlServer = new SQLServerManager();
                 var accessToken = sqlServer.GetAccessToken();
 
-                dataSource = new Core.DataSource()
+                dataSource = new DataSource()
                 {
                     Address = MachineServiceConfig.DB_ADDRESS,
                     Catalog = MachineServiceConfig.DB_CATALOG,
@@ -397,19 +424,23 @@ namespace Tango.MachineService.Controllers
                     AccessTokenExpiration = accessToken.ExpiresOn.UtcDateTime
                 };
             }
-            else
+
+            //Enforce Machine Studio Version ?
+            if (MachineServiceConfig.ENFORCE_MACHINE_STUDIO_VERSION)
             {
-                dataSource = new Core.DataSource()
+                using (var db = ObservablesContextHelper.CreateContext())
                 {
-                    Address = MachineServiceConfig.DB_ADDRESS,
-                    Catalog = MachineServiceConfig.DB_CATALOG,
-                    Type = Core.DataSourceType.Azure,
-                    IntegratedSecurity = false,
-                    UserName = request.Email,
-                    Password = request.Password,
-                };
+                    var latest_version = db.MachineStudioVersions.ToList().OrderByDescending(x => Version.Parse(x.Version)).FirstOrDefault();
+
+                    if (latest_version != null && Version.Parse(latest_version.Version) != client_version)
+                    {
+                        versionChangeRequired = true;
+                        requiredVersion = latest_version.Version;
+                    }
+                }
             }
 
+            //Return data source
             return new LoginResponse()
             {
                 DataSource = dataSource,