The ODP.NET 220.127.116.11.00 installation includes the base Oracle9i Client Release 2 (18.104.22.168). To fully take advantage of ODP.NET's XML functionality, it is recommended you upgrade the server and client to Oracle9i Release 2 (22.214.171.124) or higher.
Oracle Data Provider for .NET 126.96.36.199.00
Oracle ODBC Driver 188.8.131.52.0
Oracle Provider for OLE DB 184.108.40.206.0
Oracle Objects for OLE 220.127.116.11.0
Oracle Services for Microsoft Transaction Server 18.104.22.168.0