root@addc-01:~# samba_upgradedns --dns-backend=BIND9_DLZ
Reading domain information
DNS accounts already exist
No zone file /var/lib/samba/bind-dns/dns/EXAMPLE.NET.zone
DNS records will be automatically created
DNS partitions already exist
dns-addc-01 account already exists
...
root@addc-01:~# systemctl restart bind9