Simply placing the Oracle.DataAccess.dll in your project folder is often not enough. Because this is the "unmanaged" driver, it acts as a bridge to native C++ libraries.
Oracle 11g is in "Sustaining Support" or has reached End of Life , meaning it lacks modern security patches.
For publicly available versions, follow this general process:
At its core, Oracle.DataAccess.dll is a .NET driver that acts as a bridge, enabling applications built with languages like C# or VB.NET to communicate with an Oracle Database. It is the primary component of the . oracle.dataaccess.dll version 4.112.3.0 download
If you need help resolving a specific error code from your application log, Share public link
Oracle does not provide a standalone download for just the .dll . You must download the full package.
The Xcopy deployment method is lightweight and does not require Administrator privileges. Simply placing the Oracle
Use the Developer Command Prompt for Visual Studio to run gacutil :
If you downloaded a zip file, extract its contents to a local folder. Run setup.exe : Run the setup file as an Administrator. Choose Installation Type: Select Custom or Typical .
Verify your tnsnames.ora file located in \network\admin within your Oracle Home. Conclusion You must download the full package
: Required for 64-bit OS environments and 64-bit applications.
If you want, I can:
: Bundled with Oracle Client 11.2.0.3 and ODAC (Oracle Data Access Components) 11.2.0.3.0. Critical Considerations for Use