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Office Communicator 2007 R2 doesn't work with 64 bit Outlook 2010

    Question

  • Hi,

    I am facing an issue with getting OC2007R2 to work with Outlook 2010 (64-bit). I am unable to get the Properties dialog for any of my contacts (right-click a contact -> Properties); this option is grayed out.

    Versions numbers:

    • OC2007R2 - 3.5.6907.196
    • Outlook 2010 (64-bit) - 14.0.4760.1000

    COM Add-in info:
    Microsoft Office Communicator 2007 Add-in -> Load Behavior: Not loaded. A runtime error occurred during the loading of the COM add-in.
    If I try to manually add ocoffice.dll as an add-in from the Communicator install location, I get this error: 'C:\Program Files (x86)\Microsoft Office Communicator\ocoffice.dll' is not a valid Office add-in.'

     

    Is this a known issue for Outlook 2010 64-bit? Is there a 64-bit add-in available for OC2007R2?

     

    • Moved by Ashutosh MMicrosoft Support Tuesday, May 18, 2010 2:49 AM Communicator issue (From:Installing, Upgrading, and Activating Microsoft Office Products)
    Monday, May 17, 2010 11:41 AM