Correctly setting domain time through external synchronization


Hello.

For a while now, I’ve been relying on a local time method for my test domain, and it’s finally caused me to go nuts.  The time lag has been out to 20-30 minutes and it’s annoying to say the least.  I did some Googling and found this excellent TechNet article – https://social.technet.microsoft.com/wiki/contents/articles/50924.active-directory-time-synchronization.aspx

My clients were all set to ‘NT5DS’ i.e. AD time synch, so it was a matter of fixing the PDC (forest root) to use external sources for NTP.  I just followed the steps outlined in the above TechNet article, and once the network had synch’d, the AD time was correct.  I did RDP onto various machines to use net time /set /domain top force the synch just to be safe.

For a larger domain, I’d consider the use of Powershell or WMI to manage any registry changes that might shake out of trying to realign time synch, but for myself it’s only a handful of machines.


About Rob Sanders

IT Professional and TOGAF 9 certified Enterprise Architect with nearly two decades of industry experience, 18 years in commercial software development and 11 years in IT consulting. Check out the "About Rob" page for more information.

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