[ntp:questions] Time of by 4 min

William Unruh unruh at invalid.ca
Sat Mar 29 22:58:45 UTC 2014

On 2014-03-29, Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
> On 3/14/2014 12:10 AM, David Taylor wrote:
>> On 13/03/2014 17:48, greg.wayne.smith at gmail.com wrote:
>>> That's a pretty slick program just from looking at the page. I will
>>> play around with in and see. I tend to not install any 3rd party apps
>>> on my DC's though.
>>> I did mine the old fashion way by just setting the registry settings.
>>> Basically this for Windows servers: http://www.pool.ntp.org/en/use.html
>>> I have never had any issues till about 3 weeks ago.
>>> My server is not slowing losing time... It's a solid 4 min off for the
>>> past 3 weeks.
>> Some versions of the Windows Time Service are broken - e.g. they get a
>> time update once a week.  I strongly recommend using NTP from the
>> Meinberg install set and updating to the latest development version,
>> especially on your DCs.
>> [Caveats: I haven't used the Windows Time Service for many years, and I
>> believe it is a little better now, and I don't run a domain.]
> If you really need accurate and reliable time, forget about getting it 
> from the internet!  It will do for catching the bus and/or the train!

Untrue. The "internet" is far better than that. ms accuracy is certainly
possible, even 10s of microseconds with the right remote server.

> I get the time from earth atomic clocks in earth satellite clocks with 
> atomic clocks on board.

That is another way. But then you probably have to share it with other
machines over the "internet"

> I've been retired for about nine years and no longer need to make all 
> the clocks agree.  It's just habit! :-)

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