[ntp:questions] Standalone PC Clock Sync

Danny Mayer mayer at ntp.isc.org
Mon Nov 5 01:24:27 UTC 2007

Russell, David wrote:
> I have a PC running Windows that gets disconnected from the network for
> up to an hour.  I am using NTP to sync the clock while it is connected
> but when disconnected the clock drifts quite a bit.  Does anyone have
> any suggestions for how I can maintain the timing in this scenario?   
> Also, I have been looking for a PCI card that would give me better clock
> accuracy than the standard Windows clock.  Sub-millisecond accuracy
> using NTP is the objective.

Let's start with the basics. What version of NTP are you running and
what operating system? What's in the drift file and are there any errors
in the application event log?


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