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

Shripad J

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19 Dec 2010CPOL1 min read

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ASP.NET website project hosted on IIS 7.5 running on Windows 2008 R2 is unable to connect to ‘Oracle’ database.

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1. 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

30 Oct 2011Marvin Bland

The other option to review when you receive this error is to view your Application_Pools setting for the app_pool you are using for your application.Check the "Enable 32-Bit Applications". If this is "False", change it to "True". This may resolve your issue.

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