Several problems with Daylight Savings Time (DST) have come to light today. We're keeping a running list below. If you note more please send them.
Though there aren't apparently any planes falling out of the sky or trains running backwards there are some minor unpredicted problems being reported that are due to DST.
Microsoft-Watch.com - No Saving Time in Microsoft DST Patches? Apparently conflicts between the OS patch and the Outlook patch have caused “an absolute nightmare situation.”
Problems due to not rebooting after applying fixes. Seen on Windows 2000 Server, reported on various systems. If you applied a DST fix bounce the box.
Various reports of organizations PBX and voice mail systems not changing time. New phone system administrators scrambling to figure out how to change the time manually. (Note, you better write this down as you'll be doing it again in 3 weeks)