[ntp:questions] NTP not syncing

Antonio Marcheselli puppa at me.la
Sun Nov 3 10:36:09 UTC 2013

On 03/11/2013 05:55, David Taylor wrote:
> On 02/11/2013 20:41, unruh wrote:
>> On 2013-11-02, antonio.marcheselli at gmail.com
>> <antonio.marcheselli at gmail.com> wrote:
> []
>>> How can I verify if the stepping has been disabled or not?
>>> ntp.drift at the moment is -500.000
>> Which is way out of spec and cannot be corrected by ntpd.
> Yes, it can be corrected.  There are ways of offsetting NTP to allow for
> clocks which are more than 500 ppm off nominal.  Likely it's
> OS-dependant, but for Windows I documented the method here:
>    http://www.satsignal.eu/ntp/setup.html#broken-clock
> I would certainly agree that if the clock is more than 500 ppm out it
> should be investigated and possibly replaced!

Thanks David, very interesting. I cannot update the NTP version on my 
server but I'm sure sooner or later with a main sw upgrade they'll reach 
version 4.2.6 and I'll keep in mind this new option in case I have a bad 


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