What your application runs on (Windows Server version?) Whether you are using IIS to host this application
Look for 64-bit ODAC 11.2.0.3.0 zipped point release (ODAC112030Xcopy_x64.zip). Step 3: Extract and Install The XCopy packages do not require a standard installer: oracle.dataaccess.dll version 4.112.3.0 download
Ensure the Oracle.DataAccess.dll version matches your Oracle Client version exactly. ODP.NET 4.112.3.0 works with 11.2.0.3 client, but might not work with 11.2.0.4. What your application runs on (Windows Server version
The Oracle.DataAccess.dll usually needs to be in the GAC for applications to find it properly. The ODAC installer generally does this automatically, but if you have a standalone DLL, you must use gacutil.exe . Step 4: Validate Compatibility The Oracle
What and IIS version (if applicable) are you hosting this on?
For system-wide availability, register the assembly in the Windows GAC using the Visual Studio Developer Command Prompt.
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