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Re: [Samba] Recurrent DNS issues after DC loss

On Wed, 6 Jun 2018 17:02:24 +0200
Ole Traupe via samba <samba@xxxxxxxxxxxxxxx> wrote:

> On 06.06.2018 16:02, Rowland Penny via samba wrote:
> >
> >> I seem to remember having read here on the list, that it is no good
> >> idea to mix samba versions in a domain. If there is sound advice to
> >> do it anyways, I would be up for trying it. However, as I have
> >> written above, I messed up the uid/gid ranges. To my understanding,
> >> later versions of Samba (like 4.5) _require_ the ranges to comply
> >> to the defaults as denoted by the wiki.
> > There is nothing to stop you using different versions on DCs and you
> > can do the same with Unix domain members, unless you are using the
> > 'ad' backend  and are NOT using Domain Users as the users Unix
> > primary group. It is however, best practise to use the same major
> > version, just to get similar capabilities on all machines.
> >
> So in theory, if I hadn't messed up my id map ranges (domain groups 
> start with 2000), and if I hadn't begun removing stuff manually, and
> if I wouldn't use Domain Users as primary group, I could have joined
> an up-to-date DC and used the new script for demoting the dead one.

You still could have, but it is my understanding that it still could
leave some things behind, but nothing critical.

> I am not trying to sound sarcastic. I am trying to understand, and
> see whether perhaps there is still hope for such a maneuver.

You will lose nothing from trying the samba-tool command, but I don't
really expect it to work at this point.


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