The results were a graveyard. Dead links to Oracle’s old edelivery site. A sketchy forum post in Russian from 2014. A single, lonely Stack Overflow question with zero answers.
ODP.NET relies on complex Windows Registry keys and unmanaged dependencies (like oci.dll ) that a single DLL cannot replicate.
The and safest method is to download the entire ODAC 11.2 Release 4 (11.2.0.3.0) package from Oracle.
The primary and safest method to obtain Oracle.DataAccess.dll is by downloading the official from Oracle or using the NuGet package manager . This ensures the DLL is genuine, digitally signed by Oracle, and installed correctly on your system. oracle.dataaccess.dll version 4.112.3.0 download
The Oracle.DataAccess.dll assembly is the core component of Oracle Data Provider for .NET (ODP.NET). Version 4.112.3.0 corresponds directly to the Oracle Database 11g Release 2 (11.2.0.3) client networking stack. It acts as a high-performance bridge between Microsoft .NET Framework 4.0 applications and Oracle databases.
Accept the Oracle License Agreement and sign in to download the zip package. Method 2: Oracle Client Installation
I can provide targeted configuration snippets or assembly binding redirection steps based on your setup. Share public link The results were a graveyard
Once you have the DLL on your development machine:
: Oracle does not provide separate, standalone downloads for individual .dll files. You must download the full installer package to ensure all background dependencies are correctly registered.
She opened a command prompt. Ran the test harness. A single, lonely Stack Overflow question with zero answers
To help find the exact package or configure your environment variables, let me know: Is your application , or compiled as Any CPU ?
: Your application is loading Oracle.DataAccess.dll version 4.112.3.0, but the native machine client installed is from an older or much newer version (like Oracle 12c or 19c).
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