Hello wsirges@nospam.gmx.de,

Check out this:

Selecting the poll interval. To do this, follow these steps:
a. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\W32Time\TimeProviders\NtpClient\SpecialPollInte rval

b. In the right pane, right-click SpecialPollInterval, and then click Modify.

c. In Edit DWORD Value, type TimeInSeconds in the Value data box, and then
click OK.

Note TimeInSeconds is a placeholder for the number of seconds that you want
between each poll. A recommended value is 900 Decimal. This value configures
the Time Server to poll every 15 minutes.


Best regards

Meinolf Weber
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> Hi,
>
> recently I did a fresh install of my W2K3 R2. Shortly after that I
> noticed that its clock is always 12 minutes fast. This does not vary,
> it's always 12 minutes.
>
> The server is set up to synchronize with ptbtime1.ptb.de, but if my
> observation is right synchronization only takes place once a week.
>
> From my early computer days I remember this might be a symptom of a
> dying mainbord battery, although in this case I would expect varying
> time offsets, not constant ones. Anyway, at the next opportunity I
> will replace the battery.
>
> In the meantime, I'd like to know:
>
> 1. Are there other reasons possibly causing this?
>
> 2. How can I change the synchronization interval, from once a week to
> maybe once a day, or every 12 hours?
>
> Thanks!
>