Query too complex too be executed

On Windows 2003 servers I see that large queries against indexing
catalogs are now returning an error that the Query was too complex to
be executed. This does not happen on Windows 2000 servers. Has
anyone
else run into this? I cannot find any articles offering assistance.

I am using an ASP page to execute query using ixsso.dll


Thank you
jmadore@valco-data.com