[Samba] accidentally upgraded DC to 4.17.3 ... didn't work

[Rowland Penny]

On 30/11/2022 10:03, Stefan G. Weichinger via samba wrote:
> 
> starting adc1 broke DNS for the windows clients, so I had to stop it 
> again for now
> 
> on adc1 I find:
> 
> Nov 30 10:23:26 adc1 samba[80993]:   /usr/sbin/samba_dnsupdate: ; TSIG 
> error with server: tsig verify failure
> Nov 30 10:23:26 adc1 samba[80993]: [2022/11/30 10:23:26.255163,  0] 
> ../../source4/dsdb/dns/dns_update.c:85(dnsupdate_n>
> Nov 30 10:23:26 adc1 samba[80993]:   dnsupdate_nameupdate_done: Failed 
> DNS update with exit code 41
> 
> I assumed that would be cleared after some initialization phase (like 
> last week).
> 
> 

Did the new DC's nameserver point to its own ipaddress before you 
started Samba ?

You could try adding:

dns update command = /usr/sbin/samba_dnsupdate --use-samba-tool

to the DC's smb.conf and then restart Samba.

Rowland