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Group policy for workstation time synchronization to our domain controller

Is there a group policy for Windows 7 workstations that will cause their clocks to synch with our domain controller?

Also, is there a group policy that controls how often they check in for synching the time?

Thanks,

Josh
Portland, OR
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Neil Russell
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ALL Domain attatched PC's will sync there time to the domain controller that hold the PDC Emulator role.
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We have instances were one of our two domain controllers gets the incorrect time somehow, and then many of the workstations get the incorrect time shortly thereafter.  I wonder if group policy is something that can help with this.

Domain controllers: Windows 2008
Workstations: Windows 7 x64
You need to ensure that the DC that has the PDC Emulator role is correctly configured to get its time from a reliable external time source. Then use the guide i posted in the above link to ensure that the other DC is configured to get its time from the PDC
Heres an article that explains ALL the 2008 GPO settings relating to time.

http://blogs.msdn.com/b/w32time/archive/2009/02/02/group-policy-settings-explained.aspx
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Ackles
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Hello Ackles,
I ran the following commands you recommended:
w32tm /config /syncfromflags:DOMHIER /Update
Net stop w32time
Net start w32time
w32tm /resync /rediscover

These all completed successfully.  I'll look into the Group Policy settings available as well.  We'll see how things go from here.  Thanks for your help!
Thanks