Linked Server between 2005 64 bit and 2000 32 bit

If you are having problems with linked servers between 64 and 32 bit sql instances, check this out:
http://support.microsoft.com/kb/906954

The errors I've fixed with this are obtuse and don't seem related to the fix.
Running instcat.sql from the command line is a solution I've found productive.

osql -E -S -i \instcat.sql