Do you know whether all the servers in your domain are showing the correct time? Run SystemTimeAudit.vbs before and after the switch to and from Daylight Saving Time to ensure all your servers are on the same page.
Getting a script to process all the machines in an AD domain is a challenging task, especially when it includes numerous machines. ScriptTemplate.vbs can give you a better chance of successfully automating a task on all the servers in an AD domain.
Beginning this year, daylight saving time is being extended by about four weeks. Unlike Microsoft's daylight saving time update, the SetDSTDates.vbs script applies the daylight saving time changes to Win2K machines as well as Windows 2003 and XP machines.