http://blogs.technet.com/klince/archive/2005/11/27/415155.aspxI've been fielding quite a few questions about SP2 at recent mobility events. Here's a few details that everyone should read before applying SP2 to production servers in your org. You'll definitely want to check out the current release notes: http://go.microsoft.com/fwlink/?LinkId=52072en-USCommunityServer 2.1 SP1 (Build: 61025.2)