[Samba] Samba Migration and AD integration

Praveen Ghimire PGhimire at sundata.com.au
Tue Feb 6 11:01:52 UTC 2018

Hi Rowland,

Thank you.

Yes to the first point.

We are using Bind9 but to continue using it is not necessarily set in stone. If using Samba Internal DNS makes more sense then we can do that too. The question is do we need to do dns-upgrade and use Internal DNS, pre-migration?  Then use internal dns during the classic migration?  Also, I assume the bind9 service will have to stopped if infact we use the Internal DNS?

The DHCP is to stay with Samba server for now. Later on we can decide on moving it to the Windows server.

Hope I've clearly explained the situation.


Praveen Ghimire

-------- Original message --------
From: Rowland Penny via samba <samba at lists.samba.org>
Date: 6/02/2018 8:38 PM (GMT+10:00)
To: samba at lists.samba.org
Subject: Re: [Samba] Samba Migration and AD integration

On Tue, 6 Feb 2018 03:05:18 +0000
Praveen Ghimire via samba <samba at lists.samba.org> wrote:

> Hi,
> We migrated from Samba 3 to 4 (4.6.7-Ubuntu) and added promoted a
> Server 2008R2 as a Domain Controller. We've come across the following
> issues and request some suggestions to resolve them
> -          The migration didn't generate DNS entries for the new
> realm. We had to manually create a new zone file (/var/cache/bind)
> for the new realm. Only then we were able to promote the Server2008
> R2 as the DC. Is this an expected outcome post migration?
> -          Similarly, the dhcpd.conf file exhibited the same outcome
> as above.
> -          When we added a new machine to the domain, it didn't
> update the DNS record in the Samba box.  The machine joins to the
> domain but there is no DNS record for it.
> -          We added the DNS role in the Server2008 R2 DC, what we
> found that any record created in Bind9 gets replicated to the Windows
> server but no vice-versa.
> The AD user bit seems to sync ok between the servers.

Lets see if I understand correctly what you have done:

You had a Samba NT4-style domain and you have classic upgraded this to a Samba AD domain

You were running Bind9 on the NT4-style PDC and you want to continue running it.

You were also running a DHCP server on the NT4-style PDC and you want to continue running it.

Is all this correct, if not please describe your setup better.


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