[Samba] samba 4.12.2: WERR_DNS_ERROR_DS_UNAVAILABLE, unable to manage samba DNS

[Rowland penny]

On 30/04/2020 11:44, Olaf Dreyer wrote:
> Hi,
>
> I restored the last backup with the 4.11.6 setup. This is working fine 
> and i can confirm that my AD is set up with a single forwarding zone, 
> there is no _msdsc zone. On this 4.11.6 setup also the Windows DNS 
> Tool does not complain. When upgrading to 4.12.2 DNS administration 
> fails again with WERR_DNS_ERROR_DS_UNAVAILABLE.
>
> I will try the steps described in the MS document  and come back with 
> the results.

I think both Andrew and myself are both right, Your problem with 4.12.x 
is undoubtedly due to the bug Andrew pointed to, but you also do not 
have a _msdcs zone and if you ever want to add another DC, experience 
from earlier posts to this list has shown that this will not work.

Rowland