SQL Server 2K "Linked Server" to Oracle 9i Release 2 via "Oracle Provider

Hi,
I'm trying to set up a SQL Server 2000 "Linked Server" to Oracle 9i Release 2 via "Oracle Provider for OLE DB". I have downloaded and installed "Oracle Provider for OLE DB Release 9.2.0.2.0"
My SQL*Net alias/datasource in tnsnames.ora works (It passes the test in "Net 9i Configuration Assistant", I can connect from SQL*Plus, and I can get a Linked server going with the "Microsoft OLE DB Provider for Oracle").
When I set up my Linked Server with Oracle Provider for OLE DB, I need to supply the following three fields (with description from the read-only field at the bottom of the "Linked Server Properties)
Product name: (The product name is the OLE DB data source to add as a linked server.)
Data source: (The data source is usually the name of the server or filename.)
Provider string: (This is the entire provider string.)
Here is my tnsnames.ora entry that works as described above (names may have been changed to protect the innocent)...
PROD9I.XYZ.LOCAL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = nn.nn.nn.nn)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = PROD.ora2.xyz.mno.com)
With every combination of values I have tried for these fields, when I try to use the Linked Server I get this error message...
Could not create an instance of OLE DB provider 'OraOLEDB.Oracle'.
OLE DB error trace [Non-interface error: CoCreate of DSO for OraOLEDB.Oracle returned 0x80040154].
Any help would be greatly appreciated
Thank you,
Daniel Jameson

Thanks Norman.
Well, I've made it a step closer. I uninstalled everything Oracle from my machine and reinstalled the 9i stuff, including the Oracle OLE DB Provider. Now, after I set up the linked server, and I try to view the Tables or Views under the Linked Servers, I get this error message...
Error 7399: OLE DB provider 'OraOLEDB.Oracle' reported an error.
OLE DB error trace [OLE/DB Provider 'OraOLEDB.Oracle' IDBINitialize::Initialize returned 0x80004005: ].
Does anyone have any idea what this is about? My other Linked Server using the same Oracle SQL*Net alias, but using the Microsoft OLE DB Provider, works fine.

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