samba - Aug 2023 - Samba domain time sync woes (Debian Bookworm)

On 08.08.2023 21:16, Peter Milesson via samba wrote:
> Hi folks,
>
> I have been spending the better part of the day, trying to get time 
> synchronization to a Samba AD DC (Debian Bookworm 12.1) to work. 
> Debian Bookworm has recently replaced ntp with ntpsec, and time 
> synchronization stopped working.
>
> I have logged the behavior, and Windows 10 clients first send a 
> Windows 2000! compatible request, and ntpsec chokes on it, and does 
> not respond. The Windows 10 client times out, and quits.
>
> It's been a frustrating experience, and in the end I just gave up on 
> ntpsec. I replaced it with chrony, which works.
>
> Just FYI.
>
> Best regards,
>
> Peter
>
>
Hi folks,

just out of curiosity, does somebody know how Windows clients in an AD 
environment elects which DC to use for time synchronization?

Best regards,

Peter Milesson

On 09/08/2023 08:43, Peter Milesson via samba wrote:
>>
>>
> Hi folks,
> 
> just out of curiosity, does somebody know how Windows clients in an AD 
> environment elects which DC to use for time synchronization?
> 
> Best regards,
> 
> Peter Milesson
> 
> 
> 
They don't, Windows clients can and will use any DC and the DCs get 
their time from the DC with the PDC_Emulator FSMO role.

Rowland