Time Sync on SBS 2008

I had a small problem that has been bugging me re time sync on my home PC’s.

The underlying problem was that the time sync on my Small Business Server 2008 (SBS 2008) server was drifting from the external time source (time.microsoft.com).

The root cause was that I hadn’t opened UDP port 123 on my firewall to allow NTP traffic to my server.

A quick firewall change and a w32tm /resync and everything was working correctly again.

More instructions can be found here - http://www.smallbizserver.net/Articles/tabid/266/Id/71/How-to-fix-time-synchronization-errors.aspx

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