[ntp:questions] Re: How to set up a windows 2000 workstation as a NTP time server.

Danny Mayer mayer at gis.net
Thu Jan 22 16:55:07 UTC 2004


"David J Taylor" <david-taylor at blueyonder.co.uk.not-this-bit> wrote in message news:<leNPb.6521$FH7.74825905 at news-text.cableinet.net>...
> > Now, Why it is not correcting the time just by running ntpd?
> > How frequently it (ntpd) synchronize the time with the time
> > server specified in ntp.conf?
> > I know there must be a way to change those parameters.. but
> > I couldn't to find out. If it needs more parameters in
> > ntp.conf to achive the automatic time synchronization ..
> > please guide me through also the frequency of synchronization.
> 
> You need to start by ensuring that you box running ntpd against the
> external sources is synchronising correctly.  Did you stop the Win32Time
> service?  If not, then you have two services trying to sync your PC, and
> they will conflict with each other.
> 
> The best check is with ntpq.  Leave your system running for a couple of
> hours, and then try a command like: ntpq -p <your server name>
> 
> C:\NTP>ntpq -p myserver
>      remote           refid      st t when poll reach   delay   offset
> jitter
> ==========================================================================
> ====
> *ntp0.isp.com    .1PPS.           1 u  549 1024  377   27.861    0.693
> 0.618
> +ntp1.isp.com    .1PPS.           1 u  548 1024  377   26.779    1.295
> 1.089
> 
> The key things here are:
> 
> "*" against one of the remote servers means that is the chosen sync source
> 
> poll - 1024 - means that the remote is being queried once every 1024
> seconds, the normal for a stable system
> 
> reach - 377 - means 100% connectivity with the remote source (it's an
> octal value)
> 
> Your value of poll (256) suggests that ntpd hasn't yet reached stability.
> 
> Your reach values (340 200) means there has been no contact with the
> server for the last few poll intervals.
> 
> Your values of delay (290 310) suggest the servers are two satellite hops
> away - could you not find nearer ones?
> 
> This is just a starting point.  I am not an expert on this, but I am more
> Windows biased than many of the group members.  I am surprised no-one else
> has jumped in, quite honestly.
> 
> Cheers,
> David

You're doing quite well all by yourself. :-) Why interfere?

If there is no contact with the server over the last few poll intervals,
I'd check your network connectivity. Slow networks and broken networks
can cause this.

Danny



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