[Samba] samba 4.19 Windows 11 clients Time sync problem

[Luis Peromarta]

Hi there.

A few NTP experts around here lately.

We need more info. Distro, and wether your are using NTP (nrpsec) or Chrony.

Regards.

LP
On 16 Feb 2024 at 14:37 +0100, Daniel Müller via samba <samba at lists.samba.org>, wrote:
> Dear all,
>
> We just have a samba 4.19 domain running. And what i recognized ist hat some
> windows 10/11 clients does not sync time with the dc. The time is not the
> real time as on the dc, about 10 minutes back or several minutes in the
> future.
> Is this a bug or did spmething chance in the behaviour of samba?
>
> My ntp.conf/ Debian11:
> driftfile /var/lib/ntp/ntp.drift
>
> server 127.127.1.0
> fudge 127.127.1.0 stratum 10
> leapfile "/usr/share/zoneinfo/leap-seconds.list"
>
> ntpsigndsocket /var/lib/samba/ntp_signd <--- rights are set
> listen xxx.xxx.xxx.xxx
> statistics loopstats peerstats clockstats
> filegen loopstats file loopstats type day enable
> filegen peerstats file peerstats type day enable
> filegen clockstats file clockstats type day enable
> pool 0.debian.pool.ntp.org iburst
> pool 1.debian.pool.ntp.org iburst
> pool 2.debian.pool.ntp.org iburst
> pool 3.debian.pool.ntp.org iburst
> restrict -4 default kod notrap nomodify nopeer noquery mssntp
> restrict -6 default kod notrap nomodify nopeer noquery mssntp
> restrict 127.0.0.1
> restrict ::1
> restrict source notrap nomodify noquery
>
> ntp is working:
> root at dommaster:~# ntpq -p
> remote refid st t when poll reach delay offset
> jitter
> ============================================================================
> ==
> LOCAL(0) .LOCL. 10 l 39d 64 0 0.000 +0.000
> 0.000
> 0.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000
> 0.000
> 1.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000
> 0.000
> 2.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000
> 0.000
> 3.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000
> 0.000
> +mx.ae9.eu 237.17.204.95 2 u 1578 1024 352 27.597 -0.442
> 4.748
> *178.215.228.24 36.224.68.195 2 u 1616 1024 316 18.896 -1.582
> 1.654
> +time.cloudflare 10.97.8.67 3 u 1859 1024 236 19.943 -2.323
> 1.808
> +mail.kpprs.de 185.248.189.10 2 u 757 1024 137 24.486 -1.520
> 1.706
> +httphost1.skyte 131.188.3.220 2 u 1478 1024 236 26.967 -1.293
> 2.372
> root at dommaster:~# service ntp restart
> root at dommaster:~# ntpq -p
> remote refid st t when poll reach delay offset
> jitter
> ============================================================================
> ==
> LOCAL(0) .LOCL. 10 l 2 64 1 0.000 +0.000
> 0.000
> 0.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000
> 0.000
> 1.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000
> 0.000
> 2.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000
> 0.000
> 3.debian.pool.n .POOL. 16 p - 64 0 0.000 +0.000
> 0.000
>
> Greetings
> Daniel
>
>
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