diff --git a/ATXConfigTest/ATXConfigTest.csproj b/ATXConfigTest/ATXConfigTest.csproj
index df442c4a425b7e5021594474e2679faa83e1eabc..f5d0375002890d60e62c428dc611d562d468454f 100644
--- a/ATXConfigTest/ATXConfigTest.csproj
+++ b/ATXConfigTest/ATXConfigTest.csproj
@@ -48,9 +48,9 @@
     <None Include="App.config" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\ATXSerializables\ATXSerializables.csproj">
+    <ProjectReference Include="..\ATXSerializables\ATXCommon.csproj">
       <Project>{166D65D5-EE10-4364-8AA3-4D86BA5CE244}</Project>
-      <Name>ATXSerializables</Name>
+      <Name>ATXCommon</Name>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/ATXConfigTest/AutoTxConfigTest.cs b/ATXConfigTest/AutoTxConfigTest.cs
index a649bc0dec259e99a511d67800a8d3b439499ee2..100291fe1785b6e118a2fe5a4e6fb6d84314134d 100644
--- a/ATXConfigTest/AutoTxConfigTest.cs
+++ b/ATXConfigTest/AutoTxConfigTest.cs
@@ -1,6 +1,6 @@
 using System;
 using System.IO;
-using ATXSerializables;
+using ATXCommon.Serializables;
 
 namespace ATXConfigTest
 {
diff --git a/ATXSerializables/ATXSerializables.csproj b/ATXSerializables/ATXCommon.csproj
similarity index 87%
rename from ATXSerializables/ATXSerializables.csproj
rename to ATXSerializables/ATXCommon.csproj
index 0b6ec7c14655fd6bce4af74198b074db4b8e7b33..a282202c7235ec24cbd0da42d25422625a62eb58 100644
--- a/ATXSerializables/ATXSerializables.csproj
+++ b/ATXSerializables/ATXCommon.csproj
@@ -7,8 +7,8 @@
     <ProjectGuid>{166D65D5-EE10-4364-8AA3-4D86BA5CE244}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>ATXSerializables</RootNamespace>
-    <AssemblyName>ATXSerializables</AssemblyName>
+    <RootNamespace>ATXCommon</RootNamespace>
+    <AssemblyName>ATXCommon</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
   </PropertyGroup>
@@ -40,10 +40,12 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="DriveToCheck.cs" />
-    <Compile Include="ServiceConfig.cs" />
+    <Compile Include="FsUtils.cs" />
+    <Compile Include="Serializables\DriveToCheck.cs" />
+    <Compile Include="Serializables\ServiceConfig.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="ServiceStatus.cs" />
+    <Compile Include="Serializables\ServiceStatus.cs" />
+    <Compile Include="TimeUtils.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/ATXSerializables/FsUtils.cs b/ATXSerializables/FsUtils.cs
new file mode 100644
index 0000000000000000000000000000000000000000..c6dadb1103b511605dce2bc7fd5673d085aa7c2f
--- /dev/null
+++ b/ATXSerializables/FsUtils.cs
@@ -0,0 +1,19 @@
+using System.IO;
+using System.Linq;
+
+namespace ATXCommon
+{
+    public static class FsUtils
+    {
+        /// <summary>
+        /// Recursively sum up size of all files under a given path.
+        /// </summary>
+        /// <param name="path">Full path of the directory.</param>
+        /// <returns>The total size in bytes.</returns>
+        public static long GetDirectorySize(string path) {
+            return new DirectoryInfo(path)
+                .GetFiles("*", SearchOption.AllDirectories)
+                .Sum(file => file.Length);
+        }
+    }
+}
diff --git a/ATXSerializables/DriveToCheck.cs b/ATXSerializables/Serializables/DriveToCheck.cs
similarity index 93%
rename from ATXSerializables/DriveToCheck.cs
rename to ATXSerializables/Serializables/DriveToCheck.cs
index 7d52e74420d89dd81a53bf5505e69c8ee2df1a52..35a0242343bca5da9695bdb907eb5e117ebd7819 100644
--- a/ATXSerializables/DriveToCheck.cs
+++ b/ATXSerializables/Serializables/DriveToCheck.cs
@@ -1,6 +1,6 @@
 using System.Xml.Serialization;
 
-namespace ATXSerializables
+namespace ATXCommon.Serializables
 {
     /// <summary>
     /// Helper class for the nested SpaceMonitoring sections.
diff --git a/ATXSerializables/ServiceConfig.cs b/ATXSerializables/Serializables/ServiceConfig.cs
similarity index 99%
rename from ATXSerializables/ServiceConfig.cs
rename to ATXSerializables/Serializables/ServiceConfig.cs
index 512e426421acc5e1e134447e86f1ba30dd267fd8..9f5e635c53a3fc2e1da3ccfd686c06ad9a693fb0 100644
--- a/ATXSerializables/ServiceConfig.cs
+++ b/ATXSerializables/Serializables/ServiceConfig.cs
@@ -4,7 +4,7 @@ using System.Configuration;
 using System.IO;
 using System.Xml.Serialization;
 
-namespace ATXSerializables
+namespace ATXCommon.Serializables
 {
     /// <summary>
     /// configuration class based on xml
diff --git a/ATXSerializables/ServiceStatus.cs b/ATXSerializables/Serializables/ServiceStatus.cs
similarity index 99%
rename from ATXSerializables/ServiceStatus.cs
rename to ATXSerializables/Serializables/ServiceStatus.cs
index 5bdc52f41e790961ba74026e49fc70f909b4aa10..9d88b50b0949fa34673462e0f87441e5aaa2229d 100644
--- a/ATXSerializables/ServiceStatus.cs
+++ b/ATXSerializables/Serializables/ServiceStatus.cs
@@ -2,7 +2,7 @@
 using System.IO;
 using System.Xml.Serialization;
 
-namespace ATXSerializables
+namespace ATXCommon.Serializables
 {
     [Serializable]
     public class ServiceStatus
diff --git a/ATXSerializables/TimeUtils.cs b/ATXSerializables/TimeUtils.cs
new file mode 100644
index 0000000000000000000000000000000000000000..04cc8fa2817d8ea8504fd237c452e3e474ada3e6
--- /dev/null
+++ b/ATXSerializables/TimeUtils.cs
@@ -0,0 +1,15 @@
+using System;
+
+namespace ATXCommon
+{
+    public static class TimeUtils
+    {
+        /// <summary>
+        /// Helper method to create timestamp strings in a consistent fashion.
+        /// </summary>
+        /// <returns>A timestamp string of the current time.</returns>
+        public static string Timestamp() {
+            return DateTime.Now.ToString("yyyy-MM-dd__HH-mm-ss");
+        }
+    }
+}
diff --git a/ATXService.sln b/ATXService.sln
index 59edaea57f66290c16fc86e657f476471404cd12..7ce63be1fa780b2bed144be4ebed8a6ba76180e9 100644
--- a/ATXService.sln
+++ b/ATXService.sln
@@ -5,10 +5,12 @@ VisualStudioVersion = 12.0.40629.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ATXProject", "AutoTx\ATXProject.csproj", "{5CB67E3A-E63A-4791-B90B-8CEF0027AEAD}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ATXSerializables", "ATXSerializables\ATXSerializables.csproj", "{166D65D5-EE10-4364-8AA3-4D86BA5CE244}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ATXCommon", "ATXSerializables\ATXCommon.csproj", "{166D65D5-EE10-4364-8AA3-4D86BA5CE244}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ATXConfigTest", "ATXConfigTest\ATXConfigTest.csproj", "{81E0A5AC-0E0D-4F98-B399-41A58612EF33}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ATXTray", "ATXTray\ATXTray.csproj", "{0CEB80C5-65DB-406B-BCFA-4D0474C2309B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{81E0A5AC-0E0D-4F98-B399-41A58612EF33}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{81E0A5AC-0E0D-4F98-B399-41A58612EF33}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{81E0A5AC-0E0D-4F98-B399-41A58612EF33}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0CEB80C5-65DB-406B-BCFA-4D0474C2309B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0CEB80C5-65DB-406B-BCFA-4D0474C2309B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0CEB80C5-65DB-406B-BCFA-4D0474C2309B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0CEB80C5-65DB-406B-BCFA-4D0474C2309B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/ATXTray/ATXTray.csproj b/ATXTray/ATXTray.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..667121e89fab2f67985fc0fd4c524a9fcb09e2f6
--- /dev/null
+++ b/ATXTray/ATXTray.csproj
@@ -0,0 +1,105 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" 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>{0CEB80C5-65DB-406B-BCFA-4D0474C2309B}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>ATXTray</RootNamespace>
+    <AssemblyName>ATXTray</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup>
+    <ApplicationIcon>AutoTx.ico</ApplicationIcon>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Microsoft.WindowsAPICodePack, Version=1.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.WindowsAPICodePack-Core.1.1.0.0\lib\Microsoft.WindowsAPICodePack.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Microsoft.WindowsAPICodePack.Shell, Version=1.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.WindowsAPICodePack-Shell.1.1.0.0\lib\Microsoft.WindowsAPICodePack.Shell.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Microsoft.WindowsAPICodePack.ShellExtensions, Version=1.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.WindowsAPICodePack-Shell.1.1.0.0\lib\Microsoft.WindowsAPICodePack.ShellExtensions.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Deployment" />
+    <Reference Include="System.Drawing" />
+    <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="AutoTxTray.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <EmbeddedResource Include="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+      <SubType>Designer</SubType>
+    </EmbeddedResource>
+    <Compile Include="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+    <None Include="packages.config" />
+    <None Include="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+    <Compile Include="Properties\Settings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Settings.settings</DependentUpon>
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="AutoTx.ico" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\ATXSerializables\ATXCommon.csproj">
+      <Project>{166D65D5-EE10-4364-8AA3-4D86BA5CE244}</Project>
+      <Name>ATXCommon</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file
diff --git a/ATXTray/App.config b/ATXTray/App.config
new file mode 100644
index 0000000000000000000000000000000000000000..8e15646352ec1d9a84bbc6504ef6b46e16bf7823
--- /dev/null
+++ b/ATXTray/App.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
+    </startup>
+</configuration>
\ No newline at end of file
diff --git a/ATXTray/AutoTx.ico b/ATXTray/AutoTx.ico
new file mode 100644
index 0000000000000000000000000000000000000000..86d3957ca994afc11765c905518831604be8b3fd
Binary files /dev/null and b/ATXTray/AutoTx.ico differ
diff --git a/ATXTray/AutoTxTray.cs b/ATXTray/AutoTxTray.cs
new file mode 100644
index 0000000000000000000000000000000000000000..005212714490ea8709c7460c5fe54b85dba696e8
--- /dev/null
+++ b/ATXTray/AutoTxTray.cs
@@ -0,0 +1,306 @@
+using System;
+using System.Diagnostics;
+using System.Timers;
+using System.Drawing;
+using System.IO;
+using System.Windows.Forms;
+using ATXCommon.Serializables;
+using Microsoft.WindowsAPICodePack.Dialogs;
+using Timer = System.Timers.Timer;
+
+namespace ATXTray
+{
+    public class AutoTxTray : ApplicationContext
+    {
+        private static readonly string AppTitle = Path.GetFileNameWithoutExtension(Application.ExecutablePath);
+        private static readonly Timer AppTimer = new Timer(1000);
+        private static bool _terminate = false;
+
+        private static readonly string BaseDir = AppDomain.CurrentDomain.BaseDirectory;
+        private static readonly string ConfigFile = Path.Combine(BaseDir, "configuration.xml");
+        private static readonly string StatusFile = Path.Combine(BaseDir, "status.xml");
+        private static DateTime _statusAge;
+        private static ServiceConfig _config;
+        private static ServiceStatus _status;
+
+        private static bool _statusChanged = false;
+        private static bool _svcRunning = false;
+        private static bool _svcSuspended = true;
+        private static string _svcSuspendReason;
+
+        private static bool _txInProgress = false;
+        private static long _txSize;
+        
+        private readonly NotifyIcon _notifyIcon = new NotifyIcon();
+        private readonly Icon _tiDefault = new Icon("icon-default.ico");
+        private readonly Icon _tiStopped = new Icon("icon-stopped.ico");
+        private readonly Icon _tiSuspended = new Icon("icon-suspended.ico");
+        private readonly Icon _tiTx0 = new Icon("icon-tx-0.ico");
+        private readonly Icon _tiTx1 = new Icon("icon-tx-1.ico");
+        private readonly ContextMenuStrip _cmStrip = new ContextMenuStrip();
+        private readonly ToolStripMenuItem _miExit = new ToolStripMenuItem();
+        private readonly ToolStripMenuItem _miTitle = new ToolStripMenuItem();
+        private readonly ToolStripMenuItem _miSvcRunning = new ToolStripMenuItem();
+        private readonly ToolStripMenuItem _miSvcSuspended = new ToolStripMenuItem();
+        private readonly ToolStripMenuItem _miTxProgress = new ToolStripMenuItem();
+        private readonly ToolStripMenuItem _miTxEnqueue = new ToolStripMenuItem();
+
+        public AutoTxTray() {
+
+            _notifyIcon.Icon = _tiStopped;
+            _notifyIcon.Visible = true;
+            _notifyIcon.DoubleClick += StartNewTransfer;
+
+            // this doesn't work properly, the menu will not close etc. so we disable it for now:
+            // _notifyIcon.Click += ShowContextMenu;
+
+            try {
+                _config = ServiceConfig.Deserialize(ConfigFile);
+                ReadStatus();
+                SetupContextMenu();
+            }
+            catch (Exception ex) {
+                var msg = "Error during initialization: " + ex.Message;
+                _notifyIcon.ShowBalloonTip(5000, AppTitle, msg, ToolTipIcon.Error);
+                // we cannot terminate the message loop (Application.Run()) while the constructor
+                // is being run as it is not active yet - therefore we simply remember that we want
+                // to exit and evaluate this in the "Elapsed" handler:
+                _terminate = true;
+                System.Threading.Thread.Sleep(5000);
+            }
+
+            AppTimer.Elapsed += AppTimerElapsed;
+            AppTimer.Enabled = true;
+        }
+
+        private void SetupContextMenu() {
+            _miExit.Text = @"Exit";
+            _miExit.Click += MiExitClick;
+
+            _miTitle.Font = new Font(_cmStrip.Font, FontStyle.Bold);
+            _miTitle.Text = AppTitle;
+            _miTitle.Image = Image.FromFile("icon-default.ico");
+            _miTitle.BackColor = Color.LightCoral;
+            _miTitle.Click += ShowContextMenu;
+
+            _miSvcRunning.Text = @"Service NOT RUNNING!";
+            _miSvcRunning.BackColor = Color.LightCoral;
+            _miSvcRunning.Click += ShowContextMenu;
+
+            _miSvcSuspended.Text = @"No limits apply, service active.";
+            _miSvcSuspended.Click += ShowContextMenu;
+
+            _miTxProgress.Text = @"No transfer running.";
+            _miTxProgress.Click += ShowContextMenu;
+
+            _miTxEnqueue.Text = @"+++ Add new directory for transfer. +++";
+            _miTxEnqueue.Click += StartNewTransfer;
+
+            _cmStrip.Items.AddRange(new ToolStripItem[] {
+                _miTitle,
+                _miSvcRunning,
+                _miSvcSuspended,
+                _miTxProgress,
+                new ToolStripSeparator(),
+                _miTxEnqueue,
+                new ToolStripSeparator(),
+                _miExit
+            });
+
+            _notifyIcon.ContextMenuStrip = _cmStrip;
+        }
+        
+        private void AutoTxTrayExit() {
+            _notifyIcon.Visible = false;
+            Application.Exit();
+        }
+
+        /// <summary>
+        /// Update the tooltip making sure not to exceed the 63 characters limit.
+        /// </summary>
+        /// <param name="msg"></param>
+        private void UpdateHoverText(string msg) {
+            if (msg.Length > 63) {
+                msg = msg.Substring(0, 60) + "...";
+            }
+            _notifyIcon.Text = msg;
+        }
+
+        private void AppTimerElapsed(object sender, ElapsedEventArgs e) {
+            if (_terminate) {
+                AutoTxTrayExit();
+                return;
+            }
+
+            UpdateSvcRunning();
+
+            var heartBeat = "?";
+            var serviceRunning = "stopped";
+            var txProgress = "No";
+
+            if (_svcRunning) {
+                serviceRunning = "OK";
+                ReadStatus();
+                UpdateSvcSuspended();
+                UpdateTxInProgress();
+                if ((DateTime.Now - _status.LastStatusUpdate).TotalSeconds < 60)
+                    heartBeat = "OK";
+                if (_txInProgress)
+                    txProgress = _txSize.ToString();
+            }
+
+            UpdateTrayIcon();
+
+            if (!_statusChanged)
+                return;
+
+            UpdateHoverText(string.Format("AutoTx [svc={0}] [hb={1}] [tx={2}]",
+                serviceRunning, heartBeat, txProgress));
+        }
+
+        private void MiExitClick(object sender, EventArgs e) {
+            AutoTxTrayExit();
+        }
+
+        private void ShowContextMenu(object sender, EventArgs e) {
+            // just show the menu again, to avoid that clicking the menu item closes the context
+            // menu without having to disable the item (which would grey out the text and icon):
+            _notifyIcon.ContextMenuStrip.Show();
+        }
+
+        private static void StartNewTransfer(object sender, EventArgs e) {
+            var dirDialog = new CommonOpenFileDialog {
+                Title = @"Select directory to be transferred",
+                IsFolderPicker = true,
+                EnsurePathExists = true,
+                DefaultDirectory = _config.SourceDrive
+            };
+            if (dirDialog.ShowDialog() == CommonFileDialogResult.Ok) {
+                MessageBox.Show("Directory\nselected:\n\n" + dirDialog.FileName +
+                    "\n\nWARNING: adding new transfers is NOT YET IMPLEMENTED!",
+                    "New transfer confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
+            }
+        }
+
+        /// <summary>
+        /// Read (or re-read) the service status file if it has changed since last time.
+        /// </summary>
+        private static void ReadStatus() {
+            var age = new FileInfo(StatusFile).LastWriteTime;
+            if (age == _statusAge)
+                return;
+
+            _statusAge = age;
+            _status = ServiceStatus.Deserialize(StatusFile, _config);
+        }
+
+        /// <summary>
+        /// Check if a process with the expeced name of the service is currently running.
+        /// </summary>
+        /// <returns>True if such a process exists, false otherwise.</returns>
+        private static bool ServiceProcessRunning() {
+            var plist = Process.GetProcessesByName("AutoTx");
+            return plist.Length > 0;
+        }
+
+        private void UpdateSvcRunning() {
+            var curSvcRunState = ServiceProcessRunning();
+            if (_svcRunning == curSvcRunState)
+                return;
+
+            _statusChanged = true;
+            _svcRunning = curSvcRunState;
+            if (_svcRunning) {
+                _miSvcRunning.Text = @"Service running.";
+                _miSvcRunning.BackColor = Color.LightGreen;
+                _miTitle.BackColor = Color.LightGreen;
+                _miSvcSuspended.Enabled = true;
+                _notifyIcon.ShowBalloonTip(500, AppTitle,
+                    "Service running.", ToolTipIcon.Info);
+            } else {
+                _miSvcRunning.Text = @"Service NOT RUNNING!";
+                _miSvcRunning.BackColor = Color.LightCoral;
+                _miTitle.BackColor = Color.LightCoral;
+                _miSvcSuspended.Enabled = false;
+                _notifyIcon.ShowBalloonTip(500, AppTitle,
+                    "Service stopped.", ToolTipIcon.Error);
+            }
+        }
+
+        private void UpdateSvcSuspended() {
+            // first update the suspend reason as this can possibly change even if the service
+            // never leaves the suspended state and we should still display the correct reason:
+            if (_svcSuspendReason == _status.LimitReason &&
+                _svcSuspended == _status.ServiceSuspended)
+                return;
+
+            _statusChanged = true;
+            _svcSuspended = _status.ServiceSuspended;
+            _svcSuspendReason = _status.LimitReason;
+            if (_svcSuspended) {
+                _miSvcSuspended.Text = @"Service suspended, reason: " + _svcSuspendReason;
+                _miSvcSuspended.BackColor = Color.LightSalmon;
+                /*
+                _notifyIcon.ShowBalloonTip(500, "AutoTx Monitor",
+                    "Service suspended: " + _status.LimitReason, ToolTipIcon.Warning);
+                 */
+            } else {
+                _miSvcSuspended.Text = @"No limits apply, service active.";
+                _miSvcSuspended.BackColor = Color.LightGreen;
+                /*
+                _notifyIcon.ShowBalloonTip(500, "AutoTx Monitor",
+                    "Service resumed, no limits apply.", ToolTipIcon.Info);
+                 */
+            }
+        }
+
+        private void UpdateTxInProgress() {
+            if (_txInProgress == _status.TransferInProgress &&
+                _txSize == _status.CurrentTransferSize)
+                return;
+
+            _statusChanged = true;
+            _txInProgress = _status.TransferInProgress;
+            _txSize = _status.CurrentTransferSize;
+            if (_txInProgress) {
+                _miTxProgress.Text = @"Transfer in progress (size: " + _txSize + ")";
+                _miTxProgress.BackColor = Color.LightGreen;
+                _notifyIcon.ShowBalloonTip(500, AppTitle,
+                    "New transfer started (size: " + _txSize + ").", ToolTipIcon.Info);
+            } else {
+                _miTxProgress.Text = @"No transfer running.";
+                _miTxProgress.ResetBackColor();
+                _notifyIcon.ShowBalloonTip(500, AppTitle,
+                    "Transfer completed.", ToolTipIcon.Info);                
+            }
+        }
+
+        private void UpdateTrayIcon() {
+            if (_txInProgress &&
+                !_svcSuspended) {
+                if (DateTime.Now.Second % 2 == 0) {
+                    _notifyIcon.Icon = _tiTx0;
+                } else {
+                    _notifyIcon.Icon = _tiTx1;
+                }
+            }
+
+            if (!_statusChanged)
+                return;
+
+            if (!_svcRunning) {
+                _notifyIcon.Icon = _tiStopped;
+                return;
+            }
+
+            if (_svcSuspended) {
+                _notifyIcon.Icon = _tiSuspended;
+                return;
+            }
+
+            if (!_txInProgress) {
+                _notifyIcon.Icon = _tiDefault;
+            }
+        }
+    }
+}
diff --git a/ATXTray/Program.cs b/ATXTray/Program.cs
new file mode 100644
index 0000000000000000000000000000000000000000..adc49d615e955b305191917ad0fcd0f16ea69527
--- /dev/null
+++ b/ATXTray/Program.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Windows.Forms;
+
+namespace ATXTray
+{
+    internal static class Program
+    {
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        private static void Main() {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            Application.Run(new AutoTxTray());
+        }
+    }
+}
diff --git a/ATXTray/Properties/AssemblyInfo.cs b/ATXTray/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000000000000000000000000000000000000..0dfbe941ce8e7f9f65a066b7b9e5d1342c491d39
--- /dev/null
+++ b/ATXTray/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("ATXTray")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Universitaet Basel")]
+[assembly: AssemblyProduct("ATXTray")]
+[assembly: AssemblyCopyright("Copyright © Universitaet Basel 2018")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("7598872a-83dd-47c3-bdcc-aa37313903c9")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/ATXTray/Properties/Resources.Designer.cs b/ATXTray/Properties/Resources.Designer.cs
new file mode 100644
index 0000000000000000000000000000000000000000..5d0d9dcd7267cfa4b898f3c02466c0c380ef119b
--- /dev/null
+++ b/ATXTray/Properties/Resources.Designer.cs
@@ -0,0 +1,71 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace ATXTray.Properties
+{
+
+
+    /// <summary>
+    ///   A strongly-typed resource class, for looking up localized strings, etc.
+    /// </summary>
+    // This class was auto-generated by the StronglyTypedResourceBuilder
+    // class via a tool like ResGen or Visual Studio.
+    // To add or remove a member, edit your .ResX file then rerun ResGen
+    // with the /str option, or rebuild your VS project.
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    internal class Resources
+    {
+
+        private static global::System.Resources.ResourceManager resourceMan;
+
+        private static global::System.Globalization.CultureInfo resourceCulture;
+
+        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+        internal Resources()
+        {
+        }
+
+        /// <summary>
+        ///   Returns the cached ResourceManager instance used by this class.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Resources.ResourceManager ResourceManager
+        {
+            get
+            {
+                if ((resourceMan == null))
+                {
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("ATXTray.Properties.Resources", typeof(Resources).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+
+        /// <summary>
+        ///   Overrides the current thread's CurrentUICulture property for all
+        ///   resource lookups using this strongly typed resource class.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Globalization.CultureInfo Culture
+        {
+            get
+            {
+                return resourceCulture;
+            }
+            set
+            {
+                resourceCulture = value;
+            }
+        }
+    }
+}
diff --git a/ATXTray/Properties/Resources.resx b/ATXTray/Properties/Resources.resx
new file mode 100644
index 0000000000000000000000000000000000000000..af7dbebbacef595e3089c01c05671016c21a8304
--- /dev/null
+++ b/ATXTray/Properties/Resources.resx
@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <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=2.0.0.0, 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>
+  </resheader>
+</root>
\ No newline at end of file
diff --git a/ATXTray/Properties/Settings.Designer.cs b/ATXTray/Properties/Settings.Designer.cs
new file mode 100644
index 0000000000000000000000000000000000000000..6eec4f8c6a77541ff8e20d1dd059a51f0cffe81b
--- /dev/null
+++ b/ATXTray/Properties/Settings.Designer.cs
@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace ATXTray.Properties
+{
+
+
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0")]
+    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase
+    {
+
+        private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
+
+        public static Settings Default
+        {
+            get
+            {
+                return defaultInstance;
+            }
+        }
+    }
+}
diff --git a/ATXTray/Properties/Settings.settings b/ATXTray/Properties/Settings.settings
new file mode 100644
index 0000000000000000000000000000000000000000..39645652af62950ebf3b28ec3a5400dcec30b1c4
--- /dev/null
+++ b/ATXTray/Properties/Settings.settings
@@ -0,0 +1,7 @@
+<?xml version='1.0' encoding='utf-8'?>
+<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)">
+  <Profiles>
+    <Profile Name="(Default)" />
+  </Profiles>
+  <Settings />
+</SettingsFile>
diff --git a/ATXTray/icon-default.ico b/ATXTray/icon-default.ico
new file mode 100644
index 0000000000000000000000000000000000000000..86d3957ca994afc11765c905518831604be8b3fd
Binary files /dev/null and b/ATXTray/icon-default.ico differ
diff --git a/ATXTray/icon-stopped.ico b/ATXTray/icon-stopped.ico
new file mode 100644
index 0000000000000000000000000000000000000000..02d364443336f196074efd097d7ee755279f7275
Binary files /dev/null and b/ATXTray/icon-stopped.ico differ
diff --git a/ATXTray/icon-suspended.ico b/ATXTray/icon-suspended.ico
new file mode 100644
index 0000000000000000000000000000000000000000..55b7e1ce461aefb3ac004ce8d30f87d284bd1679
Binary files /dev/null and b/ATXTray/icon-suspended.ico differ
diff --git a/ATXTray/icon-tx-0.ico b/ATXTray/icon-tx-0.ico
new file mode 100644
index 0000000000000000000000000000000000000000..a0a4a78fe06861289a3d84142137ce7aa3ca0553
Binary files /dev/null and b/ATXTray/icon-tx-0.ico differ
diff --git a/ATXTray/icon-tx-1.ico b/ATXTray/icon-tx-1.ico
new file mode 100644
index 0000000000000000000000000000000000000000..c8da555da28babd247932ab7bf040f7a978f70a8
Binary files /dev/null and b/ATXTray/icon-tx-1.ico differ
diff --git a/ATXTray/packages.config b/ATXTray/packages.config
new file mode 100644
index 0000000000000000000000000000000000000000..e06f06e7fa0552bd8975b1b653293aca0059d869
--- /dev/null
+++ b/ATXTray/packages.config
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.WindowsAPICodePack-Core" version="1.1.0.0" targetFramework="net45" />
+  <package id="Microsoft.WindowsAPICodePack-Shell" version="1.1.0.0" targetFramework="net45" />
+</packages>
\ No newline at end of file
diff --git a/AutoTx/ATXProject.csproj b/AutoTx/ATXProject.csproj
index 5d3ca82039312efa17dffc96974af331c30b88c0..15cfffa998cfbf6cd92f4988e80657a9b2fd6f1c 100644
--- a/AutoTx/ATXProject.csproj
+++ b/AutoTx/ATXProject.csproj
@@ -148,9 +148,9 @@
     <None Include="Resources\BuildCommit.txt" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\ATXSerializables\ATXSerializables.csproj">
+    <ProjectReference Include="..\ATXSerializables\ATXCommon.csproj">
       <Project>{166D65D5-EE10-4364-8AA3-4D86BA5CE244}</Project>
-      <Name>ATXSerializables</Name>
+      <Name>ATXCommon</Name>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/AutoTx/AutoTx.cs b/AutoTx/AutoTx.cs
index e2cacbcbfb1a7917bb44d7943bee8f43ad75776a..c6f7d84ce39dcb21d6cefc15b582ad35d2bf9d47 100644
--- a/AutoTx/AutoTx.cs
+++ b/AutoTx/AutoTx.cs
@@ -9,7 +9,8 @@ using System.Timers;
 using System.DirectoryServices.AccountManagement;
 using System.Globalization;
 using System.Management;
-using ATXSerializables;
+using ATXCommon.Serializables;
+using ATXCommon;
 using RoboSharp;
 
 namespace AutoTx
@@ -413,14 +414,6 @@ namespace AutoTx
             }
         }
 
-        /// <summary>
-        /// Helper method to create timestamp strings in a consistent fashion.
-        /// </summary>
-        /// <returns>A timestamp string of the current time.</returns>
-        private static string CreateTimestamp() {
-            return DateTime.Now.ToString("yyyy-MM-dd__HH-mm-ss");
-        }
-
         #endregion
 
         #region ActiveDirectory, email address, user name, ...
@@ -733,7 +726,7 @@ namespace AutoTx
                 var targetDir = Path.Combine(
                     _managedPath,
                     target,
-                    CreateTimestamp(),
+                    TimeUtils.Timestamp(),
                     userDir.Name);
                 if (MoveAllSubDirs(userDir, targetDir))
                     return;
@@ -758,7 +751,7 @@ namespace AutoTx
                 _managedPath,
                 "DONE",
                 sourceDirectory.Name, // the username directory
-                CreateTimestamp());
+                TimeUtils.Timestamp());
             // writeLogDebug("MoveToGraceLocation: src(" + sourceDirectory.FullName + ") dst(" + dstPath + ")");
 
             try {
@@ -787,6 +780,7 @@ namespace AutoTx
         /// </summary>
         /// <param name="sourceDir">The source path as DirectoryInfo object.</param>
         /// <param name="destPath">The destination path as a string.</param>
+        /// <param name="resetAcls">Whether to reset the ACLs on the moved subdirectories.</param>
         /// <returns>True on success, false otherwise.</returns>
         private bool MoveAllSubDirs(DirectoryInfo sourceDir, string destPath, bool resetAcls = false) {
             // TODO: check whether _transferState should be adjusted while moving dirs!
@@ -803,7 +797,7 @@ namespace AutoTx
                     var target = Path.Combine(destPath, subDir.Name);
                     // make sure NOT to overwrite the subdirectories:
                     if (Directory.Exists(target))
-                        target += "_" + CreateTimestamp();
+                        target += "_" + TimeUtils.Timestamp();
                     writeLogDebug(" - " + subDir.Name + " > " + target);
                     subDir.MoveTo(target);
 
@@ -848,7 +842,7 @@ namespace AutoTx
                     if (unique == false)
                         return dirPath;
                     
-                    dirPath = dirPath + "_" + CreateTimestamp();
+                    dirPath = dirPath + "_" + TimeUtils.Timestamp();
                 }
                 Directory.CreateDirectory(dirPath);
                 writeLogDebug("Created directory: " + dirPath);
@@ -915,17 +909,6 @@ namespace AutoTx
             _lastUserDirCheck = DateTime.Now;
         }
 
-        /// <summary>
-        /// Recursively sum up size of all files under a given path.
-        /// </summary>
-        /// <param name="path">Full path of the directory.</param>
-        /// <returns>The total size in bytes.</returns>
-        public static long GetDirectorySize(string path) {
-            return new DirectoryInfo(path)
-                .GetFiles("*", SearchOption.AllDirectories)
-                .Sum(file => file.Length);
-        }
-
         /// <summary>
         /// Generate a report on expired folders in the grace location.
         /// 
@@ -977,7 +960,7 @@ namespace AutoTx
                         continue;
                     long size = -1;
                     try {
-                        size = GetDirectorySize(subdir.FullName) / MegaBytes;
+                        size = FsUtils.GetDirectorySize(subdir.FullName) / MegaBytes;
                     }
                     catch (Exception ex) {
                         writeLog("ERROR getting directory size of " + subdir.FullName +
diff --git a/AutoTx/RoboCommand.cs b/AutoTx/RoboCommand.cs
index fa0233e3e9adbbac0c4a57d0c365ace0c0c31ed6..9c04350250e4c07fbf203f383ede0cc2c0a187cb 100644
--- a/AutoTx/RoboCommand.cs
+++ b/AutoTx/RoboCommand.cs
@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using System.Management;
+using ATXCommon;
 using RoboSharp;
 
 namespace AutoTx
@@ -22,7 +23,7 @@ namespace AutoTx
                 return;
 
             _status.CurrentTransferSrc = sourcePath;
-            _status.CurrentTransferSize = GetDirectorySize(sourcePath);
+            _status.CurrentTransferSize = FsUtils.GetDirectorySize(sourcePath);
 
             // the user name is expected to be the last part of the path:
             _status.CurrentTargetTmp = new DirectoryInfo(sourcePath).Name;