MIM error on manual Join

I have installed MIM Sync 4.3.2195.0. It was a fresh install and not an upgrade.

When trying to do a manual join I get the following error:

"Could not find any resources appropriate for the specified culture or the neutral culture. Make sure "Microsoft.DirectoryServices.MetadirectoryServices.UI.PropertySheetBase.MMSErrorMessages.resources" was correctly embedded or linked into assembly "PropertySheetBase" at compile time, or that all the satellite assemblies required are loadable and fully signed."

After clicking OK I can see the error details which are as follows:

See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
System.ArgumentNullException: Value cannot be null.
Parameter name: value
   at System.String.IndexOf(String value, Int32 startIndex, Int32 count, StringComparison comparisonType)
   at System.String.IndexOf(String value, StringComparison comparisonType)
   at Microsoft.DirectoryServices.MetadirectoryServices.UI.WebServices.MMSErrors.AdjustErrorTextForExtensionException(String& sErrorString)
   at Microsoft.DirectoryServices.MetadirectoryServices.UI.AccountJoiner.AccountJoinerControl.Join()
   at System.Windows.Forms.Button.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

************** Loaded Assemblies **************
mscorlib
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.34209 built by: FX452RTMGDR
    CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/mscorlib.dll
----------------------------------------
miisclient
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/miisclient.exe
----------------------------------------
PropertySheetBase
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/PropertySheetBase.DLL
----------------------------------------
System.Windows.Forms
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.34251 built by: FX452RTMGDR
    CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
----------------------------------------
System.Drawing
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.34209 built by: FX452RTMGDR
    CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
----------------------------------------
System
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.34238 built by: FX452RTMGDR
    CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll
----------------------------------------
UiUtils
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/UiUtils.DLL
----------------------------------------
System.Core
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.34209 built by: FX452RTMGDR
    CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Core/v4.0_4.0.0.0__b77a5c561934e089/System.Core.dll
----------------------------------------
System.Xml
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.34234 built by: FX452RTMGDR
    CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Xml/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.dll
----------------------------------------
MmsServerRCW
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/MmsServerRCW.DLL
----------------------------------------
System.ServiceProcess
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.34209 built by: FX452RTMGDR
    CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.ServiceProcess/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.ServiceProcess.dll
----------------------------------------
Operations
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/Operations.DLL
----------------------------------------
GroupListView
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/GroupListView.DLL
----------------------------------------
MaExecution
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/MaExecution.DLL
----------------------------------------
AccountJoiner
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/AccountJoiner.DLL
----------------------------------------
mmsuihlp
    Assembly Version: 0.0.0.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/mmsuihlp.DLL
----------------------------------------
System.Configuration
    Assembly Version: 4.0.0.0
    Win32 Version: 4.0.30319.34209 built by: FX452RTMGDR
    CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Configuration/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
----------------------------------------
ObjectLauncher
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/ObjectLauncher.DLL
----------------------------------------
ObjectViewers
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/ObjectViewers.DLL
----------------------------------------
Preview
    Assembly Version: 4.3.2195.0
    Win32 Version: 4.3.2195.0
    CodeBase: file:///C:/Program%20Files/Microsoft%20Forefront%20Identity%20Manager/2010/Synchronization%20Service/UIShell/Preview.DLL
----------------------------------------

************** JIT Debugging **************
To enable just-in-time (JIT) debugging, the .config file for this
application or computer (machine.config) must have the
jitDebugging value set in the system.windows.forms section.
The application must also be compiled with debugging
enabled.

For example:

<configuration>
    <system.windows.forms jitDebugging="true" />
</configuration>

When JIT debugging is enabled, any unhandled exception
will be sent to the JIT debugger registered on the computer
rather than be handled by this dialog box.

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