[ntp:questions] Re: time reset, syncronisation lost and Large PPM values

Martin Burnicki martin.burnicki at meinberg.de
Tue Nov 1 15:26:15 UTC 2005


David J Taylor wrote:

> Tom Smith wrote:
> []
>> It's losing time, which could suggest lost interrupts. However,
>> the steps every half hour make me wonder if your server is doing the
>> stepping. The fact that 2 different clients have the same problem
>> in any case suggests a common cause. What is/are the server(s)?
>> It's not a Windows "NTP server", is it?
> There's nothing wrong with a properly configured Windows system running as
> an NTP server, with the distributed NTP software.  If you meant to say
> that running the Microsoft "W32time" software does not provide a fully
> compliant NTP service, then I would completely agree with your doubts!

Windows *is* a lousy timekeeper. We've had a customer where the Windows
system clock has lost about 30 seconds (!) whenever a scheduled job was run
to deal with their databases.

Martin Burnicki

Meinberg Funkuhren
Bad Pyrmont

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