[Samba] Time synchronization problem. Chrony, ntp

Luis Peromarta
2025-01-18T10:27:37Z

This works. Hopefully it?ll help you.

http://samba.bigbird.es/doku.php?id=samba:install-chrony

On 18 Jan 2025 at 08:49 +0000, Programnet via samba <samba at
lists.samba.org>, wrote:
> I noticed a problem with time synchronization on all Windows endpoints.
> I am using Samba 4.21.3 and Chrony 4.3-2.
>
> When I run the following command in Windows:
>
> w32tm /monitor
> dc1.xxxx.pl *** PDC ***[192.168.45.10:123]:
> ICMP: 1ms delay
> NTP: +0.0000000s offset from dc1.xxxx.pl
> RefID: time.cloudflare.com [162.159.200.123]
> Stratum: 4
> dc2.xxxx.pl[192.168.45.9:123]:
> ICMP: 1ms delay
> NTP: -0.0001207s offset from dc1.xxxx.pl
> RefID: ntp1.orange.pl [80.50.102.114]
> Stratum: 2
>
> Warning:
> Reverse name resolution is best effort. It may not be
> correct since RefID field in time packets differs across
> NTP implementations and may not be using IP addresses.
>
> But when I run:
>
> w32tm /resync
> Sending resync command to local computer
> The computer did not resync because no time data was available.
>
> When I check on the DC servers with the |tcpdump| program, there is an
> incoming packet, but no outgoing packet.
>
> I am sure this worked previously. It likely stopped working after
> upgrading to Samba version 4.21.1.
>
> I configured Chrony based on the example:
>
https://samba.tranquil.it/doc/en/samba_config_server/debian/server_install_ntp_debian.html
>
<https://samba.tranquil.it/doc/en/samba_config_server/debian/server_install_ntp_debian.html>
>
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