Where is the Server get its Time Sybchronization from or is it a manual adjustment made by you or does it have its own clock? Does the Server have an Internet Connection? Do the Workstations have an Internet Connection? Is there any way a Workstation can communicate with the Domain even if it is not a member?
How to configure an authoritative time server in Windows XP
Windows Time Service Tools and Settings
I am quoting from "Bcastner" here, from a missing thread -
"Set the PDC as authoratative,
Administrators can configure an internal time server as authoritative by using the net time command. If the administrator directs the command to the operations master, it may be necessary to reboot the server for the changes to take effect. For additional information, see the following Microsoft white paper:
The Windows Time Service
Set the workstations to use the PDC:
First, set the PDC as timeserver:
net time /your domain name /set
Second, Type the following commands, pressing ENTER after each command:
net stop w32time
w32tm –once
net start w32time
More information about the net time command is available at a command prompt if you type the following command:
net time /?"