Oracle.dataaccess.dll Version 4.112.3.0 Download |verified| -

Oracle.DataAccess.dll Version 4.112.3.0: The Complete Guide to Download, Installation, and Troubleshooting

3. Oracle’s NuGet (Historical / Private Feed)

Oracle never published version 4.112.3.0 to NuGet.org. Some private NuGet servers (e.g., internal company feeds) may have it, but you cannot obtain it from the official NuGet gallery.

Security & End of Life Warning

Version 11.2.0.3 is currently End of Life (EOL). Oracle no longer provides Critical Patch Updates (CPUs) for this version. If this driver is used in a production environment handling sensitive data, it is highly recommended to plan a migration to: oracle.dataaccess.dll version 4.112.3.0 download

Why You Might Need This Exact Version

  1. Assembly Binding Redirects – Your compiled application references 4.112.3.0 via a specific public key token. If you try to use a newer ODP.NET (e.g., 4.121.2.0), you may get a FileLoadException or Could not load file or assembly error.
  2. Legacy Server Environments – The target production server may have Oracle 11g R2 client already installed, and upgrading is not approved.
  3. Vendor-locked Applications – Third-party ERP, CRM, or custom LOB apps hardcode this version.

How to Add Reference to Your .NET Project

Once you have the DLL on your development machine: Oracle

  1. Open Visual Studio.
  2. Right-click References > Add Reference.
  3. Click Browse and navigate to the location of Oracle.DataAccess.dll.
  4. Select the file, click OK.
  5. Verify in the Properties window:
    • Copy Local = True (if deploying standalone).
    • Specific Version = True (to lock to 4.112.3.0).

2. “Oracle client and networking components were not found”

Fix: