Opening an UNC Path from within Microsoft Outlook does not work on 64-bit systems

Version 1

    Problem

    When trying to open an UNC link from within Microsoft Outlook, nothing happens. If the link is clicked with explorer already open, everything works fine.
    This behavior only occurs when using the RES Workspace Manager Shell in combination with a 64-bit Operating System.

     

    Cause

    Pexplorer.exe is not invoked when clicking an UNC Path. This is caused by the improper functioning of the DDECallBack procedure of Instant File Association.
    This behavior only occurs on systems running a 64-bit Operating System in combination with the RES Workspace Manager Shell.

     

    Solution

    Add the vollowing registry value to active a fix for this issue:
     
    [64bit Windows]
    System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\RES\Workspace Manager]
    Value Name: StartHiddenPexplorer
    Data Type: REG_SZ (STRING Value)
    Value Data: Yes
     
    Note:
    It is also possible to set the proper value in HKEY_CURRENT_USER through RES Workspace Manager User Registry.