[Samba] Joining Windows 2008 Domain as DC fails 4.10 (and 4.11rc3)

[Rowland penny]

On 11/09/2019 21:29, Vincent Sherwood via samba wrote:
> Hi,
>
> I am trying to add a samba DC to an existing Domain that has 2 Win2016
> Domain Controllers but is still running at Domain Functional and Forest
> levels 2008R2.
>
> When I run the join command it goes most of the way through before
> eventually erring out, and backing out everything it had done.
>
> The command I used is
>   samba-tool domain join MYDOMAIN  DC -U"administrator at mydomain.ext" -d 5
> --server=ExistingDC.mydomain.ext
>
> The error I get is below. Note that the line numbers are slightly out of
> line with the real code as I have added some debug messages to try to
> identify the issue .
>
> Join failed - cleaning up

Can we see the ouput BEFORE where the join failed, anything after the 
failure is an artefact of the failure and can be ignored.

The problem is likely to be the schema version on the Windows 2016 DC.

Rowland