Legacy enterprise systems frequently require this precise version to maintain software compatibility without rewriting older codebase structures. Technical Specifications Specification Oracle Data Provider for .NET (ODP.NET) File Name Oracle.DataAccess.dll File Version Oracle Release 11g Release 2 (11.2.0.3) Runtime Target .NET Framework 4.0 / 4.5+ Architecture Processor-specific (Separate 32-bit and 64-bit binaries) Official Download Methods
Because this is an older release, it is typically bundled with specific Oracle Data Access Components (ODAC) packages: oracle.dataaccess.dll version 4.112.3.0 download
Run the installer and select the or Runtime installation type to register the ODP.NET components locally. Method 2: ODAC (Oracle Data Access Components) Packages oracle.dataaccess.dll version 4.112.3.0 download