[Samba] bind9 refuses to start -> zone has no NS records

[L.P.H. van Belle]

Try this. 

systemctl edit bind9 
#/etc/systemd/system/bind9.service.d/override.conf
[Service]
ExecReload=

sytemctl edit samba-ad-dc.service
#/etc/systemd/system/samba-ad-dc.service.d/override.conf
[Unit]
After=network.target network-online.target bind9.service

systemctl daemon-reload

systemctl restart bind9 samba-ad-dc

If that does not work, then, can you run this script: 
https://github.com/thctlo/samba4/raw/master/samba-collect-debug-info.sh

Anonimize where needed, shows all i want to know.
At least, its a good start ;-) 

Greetz, 

Louis 

> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Benedikt Kaleß via samba
> Verzonden: donderdag 30 april 2020 14:09
> Aan: samba at lists.samba.org >> samba
> Onderwerp: [Samba] bind9 refuses to start -> zone has no NS records
> 
> Hi, 
> 
> I have to add a second DC to a Zone. 
> I use the sernet packages Version 4.11 on a debian 10 host.
> 
> The bind refuses to start:
> 
> root at addc-zone02:~# systemctl status bind9
> ??? bind9.service - BIND Domain Name Server
>    Loaded: loaded (/lib/systemd/system/bind9.service; 
> enabled; vendor preset: enabled)
>    Active: failed (Result: exit-code) since Thu 2020-04-30 
> 14:51:58 EEST; 5s ago
>      Docs: man:named(8)
>   Process: 3733 ExecStart=/usr/sbin/named $OPTIONS 
> (code=exited, status=1/FAILURE)
>     Tasks: 0 (limit: 4701)
>    Memory: 624.0K
>    CGroup: /system.slice/bind9.service
> 
> Apr 30 14:51:58 addc-zone02 named[3734]: Loading 'AD DNS 
> Zone' using driver dlopen
> Apr 30 14:51:58 addc-zone02 named[3734]: samba_dlz: started 
> for DN DC=example,DC=com
> Apr 30 14:51:58 addc-zone02 named[3734]: samba_dlz: starting configure
> Apr 30 14:51:58 addc-zone02 named[3734]: zone 
> 21.168.192.in-addr.arpa/NONE: has no NS records
> Apr 30 14:51:58 addc-zone02 named[3734]: samba_dlz: Failed to 
> configure zone '21.168.192.in-addr.arpa'
> Apr 30 14:51:58 addc-zone02 named[3734]: loading 
> configuration: bad zone
> Apr 30 14:51:58 addc-zone02 named[3734]: exiting (due to fatal error)
> Apr 30 14:51:58 addc-zone02 systemd[1]: bind9.service: 
> Control process exited, code=exited, status=1/FAILURE
> Apr 30 14:51:58 addc-zone02 systemd[1]: bind9.service: Failed 
> with result 'exit-code'.
> Apr 30 14:51:58 addc-zone02 systemd[1]: Failed to start BIND 
> Domain Name Server.
> 
> 21.168.192.in-addr.arpa is an empty zone and I deleted that 
> zone with the Windows DNS tool.
> 
> I have another DC where bind9 is running. I copied 
> /etc/bind/named.conf.options and /etc/bind/named.conf.local
> I also double checked permissions in /var/lib/samba/bind-dns 
> and /var/lib/samba/private
> 
> Any tips are welcome. How can I start bind9 or where should I 
> look for errors?
> 
> Best
> Benedikt
> 
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