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Thread: BadImageFormatException

  1. #1
    Join Date
    Jun 2011


    Hi All,

    I've explored every avenue I know available to me to solve a problem when connecting to an Oracle instance from SSRS.

    I receive the following error:-
    "Attempt to load Oracle client libraries threw BadImageFormatException. This problem will occur when running in 64 bit mode with the 32 bit Oracle client components installed."

    I realise that this looks like a driver issue, and as such I have made sure that both the 32 and 64 bit clients are installed on the server running SSRS, as well as the Oracle server.

    To date I have been unable to find an explanation or resolution to this problem, and would greatly appreciate any guidance.



  2. #2
    Join Date
    Jul 2002
    Lake Worth, FL


    It's a WinDoze issue, remove the 32 bit client.
    "The person who says it cannot be done should not interrupt the person doing it." --Chinese Proverb

  3. #3
    Join Date
    Jun 2011
    Hi LKBrwn_DBA,

    Thanks for the info.

    As I understood it, because SSIS/SSRS is a 32bit application, it required the 32bit Oracle client to be installed - From what I have read there should be no issues with the 2 clients (32 & 64) running in parallel, however, this was gleaned from the "official" documentation!

    Unfortunately I am unable to uninstall the 32bit Oracle client as there are applications that currently use it on the same server... If SSIS/SSRS is set to run in 64bit mode it throws another error.

    Is there any other way around this issue?



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