To obtain the official, authenticated assembly, use one of the following legitimate options: Option 1: The Oracle Technology Network (OTN) Archive
Search for (specifically version 11.2.0.3).
After installation, verify with:
Do you have on the machine where you're installing it? Share public link oracle.dataaccess.dll version 4.112.3.0 download
Sometimes, the build process hardcodes a specific version reference. If you have multiple versions on your machine, this causes a conflict.
Oracle.DataAccess.dll is a .NET data provider that enables .NET applications to connect to Oracle databases. It is a part of the Oracle Client SDK and provides a set of classes that allow .NET developers to interact with Oracle databases using ADO.NET.
Oracle products are trademarks of Oracle Corporation. This article is for educational and troubleshooting purposes. Always comply with Oracle’s licensing agreements when downloading and using their software. To obtain the official, authenticated assembly, use one
Run the installer (e.g., setup.exe inside the ZIP) and choose:
Check the compilation target of your project (Properties > Build > Platform Target). Match your application target ( x86 or x64 ) with the corresponding bitness of the Oracle DLL. OracleInternal.Network.NetworkException
A: You can check the version of Oracle.DataAccess.dll that is installed on your machine by using the gacutil tool or by checking the assembly version in the GAC. If you have multiple versions on your machine,
C:\app\client\product\11.2.0\client_1\odp.net\bin\4\Oracle.DataAccess.dll
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.
Upgrading to the Oracle Managed Driver (ODP.NET Managed Driver) for easier deployment. Which path are you considering? Where can i find Oracle.DataAccess.dll? - Stack Overflow