Unfortunately, I\'m trying to use Oracle from .NET and it\'s like going to back to 1997. Explaining things properly is a sign of weakness and the registry and environment variab
I have had the same problem and found that running the unconfigure and configure bat files in the copy version of the Oracle.DataAccess.dll 11.x software install may solve or help solve the problem.
E.G. configure.bat xxx.netx xxx\product\11.2.0\client_1