[ntp:questions] How to determine Stratum?

Danny Mayer mayer at ntp.isc.org
Tue Mar 21 14:00:37 UTC 2006

Brad wrote:
> Hello,
> I am experiencing an odd situation on a Windows 2000 AD domain.
> I have two sites. The PDC emulator is in site 1 which is configured as
> the domain's NTP server. However, each member server in both sites is
> pointing to a DC in site 2 for its time information. Have tried
> everything to resolve, all with no avail.
> I want both sites to point to the PDC emulator in site 1 for ntp.
> Is there a way to determine and set the stratum value of a server? This
> seems to be the culprit to my time synching issues.
> According to KB 216734, the following is how Windows servers acquire
> time.
> By default, Windows-based computers use the following hierarchy:
> · All client desktop computers nominate the authenticating domain
> controller as their in-bound time partner.
> · All member servers follow the same process as client desktop
> computers.
> · Domain controllers may nominate the primary domain controller (PDC)
> operations master as their in-bound time partner but may use a parent
> domain controller based on stratum numbering.
> · All PDC operations masters follow the hierarchy of domains in the
> selection of their in-bound time partner.
> Any assistance would be greatly appreciated.
> Thanks
You need to ask Microsoft. You are evidently using w32time which is not
protocol compliant. If you install NTPD on all of your platforms then we
can answer your questions.


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