32bit ISAPI not running on 64bit platform

Discussion in 'Windows 64 Bit' started by Z-Dev, Jan 5, 2007.

  1. Z-Dev

    Z-Dev Guest

    Hi,

    I have an ISAPI extension running on a W2003/32bit for two years. Now I
    moved to a W2003/64bit server and the ISAPI does not run.

    As far as I can see, I have the same settings like on the 32bit server.
    Extension has permission, no other extensions have permissions, IIS is
    running in 5.0 isolation mode, the Enable32BitAppOnWin64 ist set to true in
    the MetaBase.XML.

    When I call the ISAPI from a client, error 500 is returned, it says that "%1
    is not a valid WIN32 application".

    What did I forget to do?

    TIA, Detlef
     
    Z-Dev, Jan 5, 2007
    #1
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  2. You almost certainly need to force IIS6 into 32-bit mode.

    http://support.microsoft.com/?id=894435
     
    Steve Foster [SBS MVP], Jan 6, 2007
    #2
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  3. Z-Dev

    Z-Dev Guest

    It IS running in isolation mode and the flag for 32-bit processing is set. I
    am NOT running ASP ...

    Detlef Zieleznik.
     
    Z-Dev, Jan 21, 2007
    #3
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