Oracle.dataaccess.dll Version 4.112.3.0 |work| Download
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This occurs when the managed oracle.dataaccess.dll finds an older or newer version of the unmanaged Oracle Client ( oci.dll ) in your system PATH variable.
: C:\app\ \product\11.2.0\client_1\odp.net\bin\4\Oracle.DataAccess.dll
Oracle currently distributes (version 4.122.19.1 ), which supports .NET Framework 4.6+ and .NET Core/.NET 5+. However, it is not a direct drop-in for 4.112.3.0 if you rely on specific obsolete method signatures. oracle.dataaccess.dll version 4.112.3.0 download
If you are attempting to resolve a "Missing DLL" error, downloading just the DLL from a third-party website is risky and often leads to BadImageFormatException or FileNotFoundException errors due to missing unmanaged dependencies (like oci.dll or oraociei11.dll ).
Unlike the fully managed driver ( Oracle.ManagedDataAccess.dll ), this unmanaged driver relies heavily on underlying native C libraries. This means the DLL is architecture-specific. You must match the bitness (32-bit vs. 64-bit) of your compiled application and the host IIS/operating system environment with the DLL. How to Download Oracle.DataAccess.dll 4.112.3.0
If you have access to the source code of the application, consider replacing Oracle.DataAccess.dll with via NuGet. Accept the Oracle License Agreement and sign in
The managed driver is fully written in C#, does not require any local Oracle Client or background installation, and completely eliminates 32-bit vs 64-bit architecture issues.
: You generally cannot just download the DLL by itself and expect it to work; it requires a matching Oracle Instant Client installation on the machine. Bitness Mismatch
To help find the exact package or configure your environment variables, let me know: Is your application , or compiled as Any CPU ? However, it is not a direct drop-in for 4
The output will list all versions present in the GAC, including their public key tokens and processor architectures.
Once installed, the physical file is typically located in the bin folder of your Oracle Home:
The assembly is the 32-bit unmanaged ODP.NET provider associated with Oracle Data Access Components (ODAC) 11.2.0.3.0 . This version is typically required for .NET 4.0 applications connecting to Oracle 11g databases. Quick Download Options