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Possible Duplicate:
How to set a frequent period for NTP client to sync with the NTP server.

I want to set default NTP server to to all computers joining my domain.

How can I force this using AD MMC console?

Or I have to setup this using DHCP server?

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marked as duplicate by Kara Marfia Mar 25 '10 at 2:31

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 11 down vote accepted

This is really not a good idea. By default, all Windows clients will obtain time from a domain controller and your domain controllers will obtain the time from your PDC emulator. The only thing you want to do is set the server with the PDC emulator to sync from an external time source.

If you set individual time sources on each client, and they eventually become out of sync, then you will be unable to log in to your domain (Kerberos requires clocks to be in-sync by 5 minutes).

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