[Samba] Failed to join domain: failed to find DC for domain...

Rowland Penny rpenny at samba.org
Sat Sep 9 18:35:16 UTC 2023

On Sat, 9 Sep 2023 14:01:34 -0400
Rob Campbell via samba <samba at lists.samba.org> wrote:

> > Why can it not find a DC ? Is there a firewall or similar running ?
> >
> I have opened the firewall on the DC. Which ports do I need to open
> on the DM?  Apparently I have nothing opened on the DM but I opened
> the required ports according to
> https://wiki.samba.org/index.php/Samba_Domain_Member_Port_Usage.
> [Sat Sep 09 13:56:22] [root at D01~/.bin$]./check_smb.sh
>  148779 pts/1    S+     0:00 /bin/bash ./check_smb.sh
>  148781 pts/1    S+     0:00 grep -E samba|smb|nmb|winbind
> [Sat Sep 09 13:56:37] [root at D01~/.bin$]net ads join -U administrator
> Password for [HOME\administrator]:
> Failed to join domain: failed to find DC for domain HOME - The object
> was not found.

The easiest way to check if it is the firewall, turn it off, on both
the DC and the Unix domain member.


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