[Samba] Samba AD - Different IP than the existing one assigned

Lionel Monchecourt lionel.monchecourt at free.fr
Thu Feb 27 14:31:25 UTC 2020

Hi Louis 

Here we go for the output of the script


Collected config  --- 2020-02-27-14:28 -----------


Hostname: adc1

DNS Domain:

FQDN: localhost



Kerberos SRV _kerberos._tcp. record verified ok, sample output:




Non-authoritative answer:

*** Can't find _kerberos._tcp.: No answer


Authoritative answers can be found from:


        origin = a.root-servers.net

        mail addr = nstld.verisign-grs.com

        serial = 2020022700

        refresh = 1800

        retry = 900

        expire = 604800

        minimum = 86400


From: Lionel Monchecourt [mailto:lionel.monchecourt at free.fr] 
Sent: 27 February 2020 15:21
To: lionel Monchecourt
Subject: Fwd: [Samba] Samba AD - Different IP than the existing one assigned





sent from my Iphone, sorry for typo

Début du message transféré :

Expéditeur: Rowland penny via samba <samba at lists.samba.org>
Date: 27 février 2020 à 14:50:27 UTC+1
Destinataire: samba at lists.samba.org
Objet: Rép:  [Samba] Samba AD - Different IP than the existing one assigned
Répondre à: Rowland penny <rpenny at samba.org>

On 27/02/2020 13:25, Lionel Monchecourt via samba wrote:

Hi, Thanks for helping.


Answers in line :




Log.smbd :

[2020/02/24 10:02:22.602083,  0] ../source3/smbd/server.c:1815(main)

  server role = 'active directory domain controller' not compatible with running smbd standalone.

  You should start 'samba' instead, and it will control starting smbd if required

Really big hint there, you are not starting 'samba-ad-dc', you seem to be starting the individual Samba binaries

Nothing is running on port 53 :

There wouldn't be, the 'samba' binary isn't starting.

Now, when I performed a check for the adc1, I get an answer BUT ,the IP is

not the one of the machine


A DC should have a fixed IP and that is what Samba should use.


yes ok :



Do you have more than one ethernet device ?


Yes , here are the different devices, but none is matching this strange IP

This is strange, but possibly related to the DC not running.

What OS is this ?


Ubuntun 18.04

Can you post the contents of the following files:




search transmitcorp.com




options edns0

Do not use '', use the computers ipaddress

/etc/hostname localhost php7.localhost adc1 php7.localhost adc1

No, /etc/hostname should just contain the computers short hostname 'adc1'



search transmitcorp.com




options edns0

Have you mixed up your files ? I would have expected /etc/hosts to look like this: localhost adc1.transmitcorp.com adc1


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