[Samba] Time sync problem samba 4.20.0 chrony debian11

[Luis Peromarta]

There must be something wrong with your setup. I have 4.20.1 and W10 22H2 (latest daily updates) and it works just fine.


S:\>w32tm /monitor
cwing.mad.caponato.es[192.168.0.14:123]:
    ICMP: 0ms delay
    NTP: -0.0000762s offset from awing.mad.mater.int
        RefID: time.cloudflare.com [162.159.200.123]
        Stratum: 4
bwing.mad.caponato.es[192.168.0.13:123]:
    ICMP: 0ms delay
    NTP: +0.0002806s offset from awing.mad.mater.int
        RefID: time.cloudflare.com [162.159.200.123]
        Stratum: 4
awing.mad.caponato.es *** PDC ***[192.168.0.12:123]:
    ICMP: 0ms delay
    NTP: +0.0000000s offset from awing.mad.mater.int
        RefID: time.cloudflare.com [162.159.200.1]
        Stratum: 4
dwing.mad.caponato.es[192.168.0.62:123]:
    ICMP: 0ms delay
    NTP: -0.0003914s offset from awing.mad.mater.int
        RefID: ntp1.adora.codes [5.250.191.170]
        Stratum: 3

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.

S:\>w32tm /query /status
Leap Indicator: 0(no warning)
Stratum: 5 (secondary reference - syncd by (S)NTP)
Precision: -23 (119.209ns per tick)
Root Delay: 0.0320375s
Root Dispersion: 0.3500638s
ReferenceId: 0xC0A8000D (source IP:  192.168.0.13)
Last Successful Sync Time: 17/06/2024 19:49:52
Source: bwing.caponato.es
Poll Interval: 14 (16384s)


LP
On Jun 17, 2024 at 19:43 +0100, Peter Milesson via samba <samba at lists.samba.org>, wrote:
>
>
> On 17.06.2024 18:02, Luis Peromarta via samba wrote:
> > Without the “-v” it looks like this:
> >
> > 15:53:29.013069 IP PCCAP23.mad.caponato.es.ntp > dwing.mad.caponato.es.ntp: NTPv3, Client, length 68
> > 15:53:29.015440 IP dwing.mad.caponato.es.ntp > PCCAP23.mad.caponato.es.ntp: NTPv3, Server, length 68
> >
> >
> > LP
> > On Jun 17, 2024 at 15:55 +0100, wrote:
> > > tcpdump udp port 123
> > > tcpdump: verbose output suppressed, use -v[v]... for full protocol
> > > decode listening on enp1s0f0, link-type EN10MB (Ethernet), snapshot
> > > length 262144 bytes 16:22:47.608803 IP pc2304.tlk.loc.ntp >
> > > dom2.tlk.loc.ntp: NTPv3, Client, length 120
> > > 16:22:53.692770 IP schulung6.tlk.loc.ntp > dom2.tlk.loc.ntp: NTPv3,
> > > Client, length 120
> Hi folks,
>
> I have tested with both Windows 10 22H2 and Windows 11 23H2, both domain
> joined. Time synchronization with a Samba AD DC 4.20.1 (Debian Bookworm
> backports) does not work. Either has M$ changed something, or Chrony.
> Unfortunately, I haven't got time to dig deeper in this at the moment.
> It worked about 18 months ago...
>
> Best regards,
>
> Peter
>
>
>
> --
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