Re: NTP Server for time sync

Hello The,

In a domain the DC with the PDCEmulator role is the time source, all other
DCs sync with that one and the rest of the odmain sync with an available DC.

If possible configure the PDCEmulator to a time server(not domain member),
router/switch/NTP device or external time server:
w32tm /config /manualpeerlist:PEERS /syncfromflags:manual /reliable:yes /update

With "PEERS" you can set the time source, either DNS name (time.windows.com)
or an ip address from a reliable time source.

Here you can find some of them:
http://www.pool.ntp.org/


Best regards

Meinolf Weber
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> Hi all. As I understand it, if I configure the PDC Emulator to sync
> with an NTP server by setting:
>
> w32time\parameters\NtpServer=time.example.com,0x1
> w32time\parameters\Type=NTP
> my PDC emulator seems to sync time with [w32tm /resync] even if the
> NTP server does not exist. In fact, it even tells me the command
> completed successfully and I don't always get an error in the log.
>
> My understanding is the DC will use its internal clock for a time
> source if the NTP server is not working. Is there any way to turn this
> functionality off? Since an error is not always generated, what is the
> best way to confirm the NTP server is the source being used?
>
> thanks
>
> - j
>