Using linked servers between SQL 2008 (64bit) and SQL 2000 (32bit)

***IMPORTANT: If the client using DSI Ellgence will require a linked server connection from SQL Server 2008 (x64) to SQL Server 2009 (x86 32bit)
You may receive an error message when you try to run distributed queries from a 64-bit SQL Server 2005 client to a linked 32-bit SQL Server 2000 server or to a linked SQL Server 7.0 server.  

If this occurs: Please review and follow the steps provided  in Microsoft Knowledge base article: http://support.microsoft.com/kb/906954 
To to resolve this problem, manually run the Instcat.sql script that is included with SQL Server 2000 SP3 or SP4 on the 32-bit SQL Server 2000 server.