Has anyone installed SP4 on their Win 2000 server running Exchange 2000, SP3? Thank you, Linda Wilson Information Technology Specialist National Bank of the Redwoods 2170 Northpoint Parkway Santa Rosa, CA 95407 707-522-5230 voice 707-522-5760 fax 707-217-8359 cell 707-522-5500 Help Desk lwilson@xxxxxxxxxxx