[Samba] samba dc dns issue

[Alex]

After double checking, all the missing records are in place now. So, it looks
like despite of the errors printed, it did the job! Thanks Kris!

Wondering why the errors were printed, though..

>> You might have a "chicken and the egg" issue with DNS.  The prospective
>> (soon-to-be-joined) DC has itself listed in resolv.conf -- so it looks
>> there but can't find an entry for an existing DC to join?  Remove the
>> self-referential entry and try again.  Add it back after the join.

> Since I've already joined the domain, I don't think that should be an issue.
> Anyway, I've just removed the host itself from resolv.conf and ran:
> samba_dnsupdate --use-samba-tool --fail-immediately -d 5

> which resulted to:
> ...
> ERROR(runtime): uncaught exception - (9717, 'WERR_DNS_ERROR_DS_UNAVAILABLE')
>   File
> "/usr/local/samba/lib64/python3.6/site-packages/samba/netcmd/__init__.py", line 186, in _run
>     return self.run(*args, **kwargs)
>   File "/usr/local/samba/lib64/python3.6/site-packages/samba/netcmd/dns.py", line 945, in run
>     raise e
>   File "/usr/local/samba/lib64/python3.6/site-packages/samba/netcmd/dns.py", line 941, in run
>     0, server, zone, name, add_rec_buf, None)
> Failed update of 25 entries

> and
> samba_dnsupdate --fail-immediately -d 5
> ...
> Ticket in credentials cache for VM-DC4$@DOMAIN.COM will expire in 35999 secs
> Starting GENSEC mechanism gssapi_krb5_sasl
> GSSAPI credentials for VM-DC4$@DOMAIN.COM will expire in 36000 secs
> ; TSIG error with server: tsig verify failure
> update failed: REFUSED

-- 
Best regards,
Alex