Oracle.dataaccess.dll Version 4.112.3.0 |verified| Download May 2026

The assembly Oracle.DataAccess.dll version 4.112.3.0 is the primary driver for Oracle Data Provider for .NET (ODP.NET), specifically bundled with ODAC 11.2 Release 4 (11.2.0.3.0). This legacy version is critical for .NET Framework 4.0 (and above) applications that still rely on "Unmanaged" Oracle clients to connect to older databases or use features like User-Defined Types (UDTs). Direct Download and Installation

The Oracle.DataAccess.dll version 4.112.3.0 is a critical component of the Oracle Data Provider for .NET (ODP.NET), specifically associated with the Oracle 11g Release 2 (11.2.0.3) client stack. This version serves as the bridge between .NET applications and the Oracle Database. Technical Profile Version: 4.112.3.0 Runtime: .NET Framework 4.0 (and later)

Version Mismatch: If your project references 4.112.3.0 but you have 4.112.2.0 installed, you can use a Binding Redirect in your web.config or app.config to force the application to use the available version. A Modern Alternative: Managed Driver oracle.dataaccess.dll version 4.112.3.0 download

Download the Zip: Choose the version (32-bit or 64-bit) that matches your application's target architecture, not necessarily your OS. Unzip and Run Setup: Extract the files and run setup.exe.

Architecture Matters: You must match your application's target platform. If your app runs as a 32-bit (x86) process, you must install the 32-bit client; if it runs as 64-bit (x64), you must install the 64-bit client. 📥 Where to Find the Download The assembly Oracle

Set environment variables

Locate the DLL
C:\app\client\product\11.2.0\client_1\odp.net\bin\4\Oracle.DataAccess.dll ORACLE_HOME = path to client root Add %ORACLE_HOME%\bin

This guide is for informational purposes. Always refer to official Oracle documentation for the most current licensing and installation instructions.