[Samba] preparing for a new site with an extra domain controller

[Luis Peromarta]

From my experience, create the DC in the new office. Join domain.

Using the mmc Sites and Sevices from a windows workstation, create new site and assign network.

You can choose to rename the default site or create new site and assign network there. This is not necessary.

I don’t recall doing anything else.
On 10 Dec 2024 at 08:06 +0000, Stefan G. Weichinger via samba <samba at lists.samba.org>, wrote:
>
> Greetings!
>
> after all these years of running Samba I am still learning and having to
> learn more :-)
>
> I am trying to research howtos and docs, but from my experience it
> sometimes would have been better to ask BEFORE trying things.
>
> So:
>
> At a customer we happily run 2 samba-AD-DCs for one single AD domain, on
> one geographical site, in one single IP subnet.
>
> (using samba-4.21.2 as I write this)
>
> Now they took over another small company and plan to connect that to the
> AD as well.
>
> Correct me if I am wrong:
>
> I suggested to add a 3rd AD DC and place it there.
>
> We already have a site-to-site-VPN (wireguard) between the 2 sites that
> works well.
>
> So I would deploy a 3rd DC, join it to the AD and move it to their
> office. I googled that and found this howto:
>
> https://wiki.samba.org/index.php/Active_Directory_Sites
>
> Should the 3rd DC be in place (= in the "target subnet") already before
> joining? I think so ... to get the DNS etc correct.
>
> I assume that renaming or changing IP should be avoided if possible, so
> it might be best to deploy the DC with running (Debian-12.8.0) linux and
> get the networking fixed before the join, right?
>
> Any other things to take care of here?
>
> Is the concept of "sites" the right to apply here? What about the old
> office? We don't have a site defined for that yet, does it make sense or
> is it even needed to define a site for that as well? Could that break
> things in some way?
>
> Thanks for any help and pointers!
>
> Stefan
>
>
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