Oh, more lost hours in admin hell. Here's some pointers if you are upgrading your web server to SP1.

- Remember the firewall problems when moving XP to SP2. You will have them here!! <g> Pay attention to what ports are opened up.

This article is a good reminder of that wiht a section on what applications to allow through the firewall on the remote server

http://support.microsoft.com/default.aspx?scid=kb;EN-US;833977#27