Using Oracle OLE DB Provider and MS SQL Server To Acccess Oracle Database Raise Errors 7399 And 7301

(Doc ID 396648.1)

Last updated on JUNE 21, 2012

Applies to:

Oracle Provider for OLE DB - Version and later
Microsoft Windows (32-bit)
Checked for relevance on 21-Jun-2012.


You are unable to connect to the Oracle database when using Microsoft SQL Server's Linked Server and the Oracle Provider for OLE DB and receive errors messages like


Msg 7399, Level 16, State 1, Line 1
The OLE DB provider "OraOLEDB.Oracle" for linked server "TEST" reported an error. The provider reported an unexpected catastrophic failure. 
Msg 7301, Level 16, State 2, Line 1
Cannot obtain the required interface ("IID_IDBCreateCommand") from OLE DB provider "OraOLEDB.Oracle" for linked server "TEST". 


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