[Samba] Recurrent DNS issues after DC loss

Ole Traupe ole.traupe at tu-berlin.de
Thu Jun 7 13:24:51 UTC 2018

Ok, so what I seemed to remember was just not true.

a) I did not find any such references in any patch or release notes for 

b) I managed to find the list conversation I was referring to ("userid 
shows 4294967295" from Dec 2015). The trouble I might run into would be 
due to a CentOS upgrade and the fact that system user ids then would 
start at 1000 and not 500 anymore.

Interesting what the mind creates of memories after a couple of years. 
Also interesting with which subjective certainty this can be paired.

Seems I will upgrade my DCs in the near future (and use that demote script).


On 07.06.2018 14:06, Rowland Penny via samba wrote:
> On Thu, 7 Jun 2018 13:51:16 +0200
> Ole Traupe via samba <samba at lists.samba.org> wrote:
>> I will try to find that section again. At first glance, I did not
>> find this information in patch notes 4.3-4.5. But I seem to remember
>> having read that, and I also remember a conversion with Rowland a
>> while ago leaving me with the impression that having different
>> (lower) id ranges defined will be a show-stopper for upgrading beyond
>> a certain point. I will try to find those emails again.
> I don't remember that conversation (probably my age), but I think I
> would have been referring to a classicupgrade from a PDC that had low
> ID numbers. It used to be thought that using the RID as the Unix ID
> number was a good idea e.g. '513' for Domain Users. This has now
> proved not to be a good idea, for fairly obvious reasons.
> Rowland

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