If your application cannot find the DLL (error FileNotFoundException ), it likely needs to be registered in the Global Assembly Cache (GAC). Use the OraProvCfg.exe tool located in your Oracle Home:
# Navigate to your ODP.NET bin folder cd C:\app\oracle\product\11.2.0\client_1\odp.net\bin\4 # Register the DLL OraProvCfg.exe /action:gac /providerpath:Oracle.DataAccess.dll Use code with caution. ODAC 11.2.0.3.0 Install Instructions - Oracle oracle.dataaccess.dll version 4.112.3.0 download
Visit the Oracle .NET ODAC Downloads page . Since version 11.2.0.3.0 is older, check the ODAC 11.2 Release 4 (11.2.0.3.0) Install Instructions for archived links. If your application cannot find the DLL (error
