The definitive way to get the correct version of the DLL is through ODAC. Here is the step-by-step process:
: This version is an unmanaged driver. Unlike the modern "Managed Driver" (Oracle.ManagedDataAccess.dll), this version requires a full Oracle Client or Instant Client installation on the machine to function. It relies on underlying C++ libraries (OCI). Compatibility :
using Oracle.DataAccess.Client;
If your .NET application runs as a process, you must use the 32-bit DLL and a 32-bit Oracle Client.
Error: "The provider is not compatible with the version of Oracle client" oracle.dataaccess.dll version 4.112.3.0 download
When you install ODAC or an Oracle client, Oracle.DataAccess.dll version 4.112.3.0 is placed in several locations:
: It is compiled for the .NET Framework 4.0 (and compatible with 4.5+), making it a staple for applications built during the peak of Windows Server 2012 deployments. The definitive way to get the correct version
Alternatively, you can also download the Oracle.DataAccess.dll assembly directly from the Oracle website. To do this: