Hey folks: I am preparing to upgrade our network. Currently our one server which is a (DC, Exchange, File, print etc) and sits behind ISA2004. Mail and OWA are published to this one box. I intend to introduce the new Exchange 2003 server (as Exchange2), move all the mailboxes to Exchange2 and let the old Exchange1 server sit for a week until everyone's Outlook hits it at least once. Then, I intend to follow (KB307917) to remove Exchange1 - and rebuild the entire server. Question: Regarding the (week) I will actually have two exchange servers up and running - what are the things I need to do with ISA2004 server (understanding that I have to re-point it to Exchange2 at least when I remove Exchange1). Joseph Danielsen, MCSA-Messaging, MCP Network Blade Inc. 49 Marcy Street Somerset, NJ 08873 732-213-0600