Oracle.dataaccess.dll Version 4.112.3.0 Download ((top))
It does not require a full Oracle Client installation.
This begins a "detective story" where the developer must reconcile several strict requirements: The Architecture Trap
Oracle does not offer individual DLLs for download due to complex dependencies on the underlying Oracle Client. To get the official, stable version, you must download the full ODAC package.
Ensure the component is checked during the feature selection step. Installation and Deployment
Oracle does not offer the DLL as a standalone download. Instead, you must download the and extract or install the required component. oracle.dataaccess.dll version 4.112.3.0 download
Visit the Oracle .NET ODAC Downloads page . Since version 11.2.0.3.0 is older, check the ODAC 11.2 Release 4 (11.2.0.3.0) Install Instructions for archived links.
🔗 To download unmanaged ODP.NET specifically, you may visit the official Oracle website's ODAC Xcopy downloads section. For managed ODP.NET, you can find packages on the NuGet Gallery.
If your application is "Any CPU" but you only have the 32-bit driver installed, it will fail on 64-bit Windows. You must match the application's process bitness to the driver. If you have multiple versions installed, use the setting in your web.config app.config to force the app to use the correct GAC Installation: This version is often registered in the Global Assembly Cache (GAC)
C:\app\<username>\product\11.2.0\client_1\odp.net\bin\4\Oracle.DataAccess.dll It does not require a full Oracle Client installation
Downloading isolated .dll files from third-party DLL aggregation sites introduces massive security vulnerabilities and often results in version or architecture mismatches. Because Oracle.DataAccess.dll is an unmanaged wrapper relying on underlying C++ libraries, it without its accompanying native Oracle Client binaries.
If you're upgrading from an older system, I can help you decide between: Keeping the legacy 4.112.3.0 DLL and its associated client.
To verify your application's architecture:
Once you have downloaded the correct ODAC installer, you have three ways to make Oracle.DataAccess.dll version 4.112.3.0 available to your application. Ensure the component is checked during the feature
2. "The provider is not compatible with the version of Oracle client"
Many websites, like dllme.com or ijinshan.com , offer the DLL for a quick, standalone download. While convenient, using these sites is for a few reasons:
If you are starting a new project or can upgrade an existing one, consider using Oracle’s ( Oracle.ManagedDataAccess.dll ).