[Samba] Time server on AD DC in an LXD container.

Jonathan Kreider jonathan.kreider at gmail.com
Tue Nov 6 22:59:36 UTC 2018

Further investigations reveal:
C:\WINDOWS\system32> w32tm /monitor
GetDcList failed with error code:  0x800706BA.
Exiting with error 0x800706BA
 error 0x800706BA indicates that the RPC server is unavailable.

Any ideas?
Jonathan Kreider

On Tue, Nov 6, 2018 at 5:48 PM Jonathan Kreider <jonathan.kreider at gmail.com>

> Thanks Robert & Marco.
> @Robert - I tried your solution, but couldn't get it to work because my
> host is ubuntu 16.04 and the chrony version for this is too old to support
> the ntpsigndsocket option.
> @Marco - your response got me searching in another direction. I had tried
> ntpd in the container, which LXD did not like. My research turned up that
> Ubuntu now strongly favors chrony as of 18.04 AND that chrony has been
> patched to work as a time_server_ (which is what I need) in containers.
> I've successfully installed chrony in the container and have setup
> chrony.conf for ntpsigndsocket (and other suggested settings from
> https://wiki.samba.org/index.php/Time_Synchronisation. I've also
> verified/set ownership and permissions for /var/lib/samba/ntp_signd. This
> appears to be the path where samba expects to find this on the Ubuntu
> distribution. Is there a way to verify that this is the correct path?
> I've restarted both the samba ad dc and chrony services.
> However, running w32tm /resync on my W10 domain member is still not
> working.
> running: C:\WINDOWS\system32> w32tm /query /source
> returns only -> Local CMOS Clock
> Also...
> ---
> C:\WINDOWS\system32> w32tm /resync /rediscover
> Sending resync command to local computer
> The computer did not resync because no time data was available.
> ---
> How do I further troubleshoot this? Is there a way to check on the server
> whether my samba AD DC is able to provide the time service?
> Thanks,
> Jonathan
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