Oracle.dataaccess.dll Version 4.112.3.0 Download |top| Direct

Available in both 32-bit (x86) and 64-bit (x64) versions.

: The DLL will fail to load if the corresponding Oracle Home directory structures and unmanaged APIs (like oci.dll ) are missing from the environment path. Safe and Official Download Methods

Run the setup.exe from the ODAC 11.2 package. Select the ODP.NET component.

Comprehensive Guide to Oracle.DataAccess.dll Version 4.112.3.0 oracle.dataaccess.dll version 4.112.3.0 download

The DLL is present, but native dependencies like oci.dll or OraOps11w.dll are missing from the search path.

A loose DLL may be 32-bit (x86) when your application requires 64-bit (x64), or vice versa.

Downloading a standalone Oracle.DataAccess.dll file from third-party DLL repository sites is highly discouraged. Doing so often leads to version mismatches, security risks, or missing native dependencies like OCI.dll . Available in both 32-bit (x86) and 64-bit (x64) versions

gacutil /i C:\oracle\odac11g\odp.net\bin\4\Oracle.DataAccess.dll Use code with caution. Troubleshooting Common Errors 1. "Could not load file or assembly 'Oracle.DataAccess'..."

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.

Summary

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 ).

When upgrading to .NET 4.0+ using this legacy DLL, developers often encounter configuration errors regarding the <sectionGroup> in machine.config or web.config . You may need to manually add the following to your config file:

Because 11.2.0.3 is a legacy release, it resides in the Oracle standard archive. Select the ODP

Are you installing this on a or a production IIS server ?

Disclaimer: Oracle recommends moving to newer, managed ODP.NET versions for .NET Core/5/6+ applications. If you'd like, I can: Show you the to check for the file. Explain how to register the DLL manually. Help you diagnose a specific error you are seeing. Let me know what you'd like to do next! Share public link