[Samba] Provisioning new AD Domain Controller

Mark Foley mfoley at novatec-inc.com
Sat Jan 20 20:44:18 UTC 2024


After provisioning and testing my new DC offline, I now want to move it into
production. This means changing IPs.

DC FQDN: mail.hprs.local

IPs for setup/testing:

DC: 192.168.1.60
Gateway: 192.168.1.1   (Netgear router)
DNS: 192.168.1.60      (/etc/resolv.conf)
/etc/hosts: 192.168.1.60  mail.hprs.local mail
smb.conf, dns forwarder: 192.168.1.1

Production IPs:

DC: 192.168.0.2
Gateway: 192.168.0.1   (SonicWall firewall/router)
DNS: 192.168.0.2       (/etc/resolv.conf)
/etc/hosts: 192.168.0.2  mail.hprs.local mail
smb.conf, dns forwarder: 192.168.0.1

I've restarted the network and samba to use these new IPs.

The A record looks good:

# host -t A mail.hprs.local
mail.hprs.local has address 192.168.0.2

I also created a new reverse dns record:

# samba-tool dns zonecreate mail.hprs.local 0.168.192.in-addr.arpa

# samba-tool dns zonelist mail
  pszZoneName                 : 0.168.192.in-addr.arpa
  Flags                       : DNS_RPC_ZONE_DSINTEGRATED DNS_RPC_ZONE_UPDATE_SECURE
  ZoneType                    : DNS_ZONE_TYPE_PRIMARY
  Version                     : 50
  dwDpFlags                   : DNS_DP_AUTOCREATED DNS_DP_DOMAIN_DEFAULT DNS_DP_ENLISTED
  pszDpFqdn                   : DomainDnsZones.hprs.local

Two problems ...

I'm not resolving any public or local hostnames, so it appears that samba is not
acting as the dns server. I can access public and local hosts by IP.

Why?

Second, more minor problem, I cannot figure out how to delete the old reverse
dns record 1.168.192.in-addr.arpa. I've tried numerous combinations of the
command to do so with no luck including;

# samba-tool dns delete mail hprs.local mail PTR 1.168.192.in-addr.arpa
Password for [administrator at HPRS.LOCAL]:
ERROR(runtime): The record does not exist [WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST] - (9701, 'WERR_DNS_ERROR_RECORD_DOES_NOT_EXIST')

What am I doing wrong?

Thanks --Mark



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