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Error: Oracle.DataAccess assembly was compiled for a different processor

Symptoms:

Testing the connection to a new Oracle data source connection results in an error message.

 

Error Message:

Could not load file or assembly 'Oracle.DataAccess, Version 4.112.2.0, Culture=neutral, PublicKeyToken=<Public Key>'.  This assembly was compiled for a different processor.

 

Underlying problem:

The cause of the error is a mix up of x86 and x64 architecture - if the application is x86 (32 bit), then it cannot use x64 (64 bit) assemblies and vice-versa. 

 

Solution:

Ensure that Oracle Data Provider is the same bit version as your TX DWA software.

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Authors: Doug Wynkoop, Thomas Duun

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