You cannot connect to Visual Studio SQL Server Express on a remote Windows XP Service Pack 2-based computer

Are you having trouble with User Instance databases with SQLExpress 2005? Sometimes they don't seem to start right, especially when using RDP to connect to a developmnet machine (even to a VirtualPC instance)? Guess what? It's a Microsoft bug. Here's the hotfix. You cannot connect to Visual Studio SQL Server Express on a remote Windows XP Service Pack 2-based computer