[Samba] Samba4 replacing existing Win2003 AD/DC - possible?

Andrew Bartlett abartlet at samba.org
Fri Nov 4 15:22:41 MDT 2011

On Thu, 2011-10-27 at 10:27 +0200, Jeppe Winther Larsen wrote:
> Hi there
> I am working on deploying Samba4 as domain controller and AD
> replacement in an organisation. Yes, I know it is risky being in
> alpha, but we accept the risks. Setting up a new domain and joining it
> from Windows clients works very well, but that will require every
> client to join a new domain, and if that could be avoided it would be
> great. I am thinking of instead let Samba4 join the existing domain as
> a DC using the steps described in
> http://wiki.samba.org/index.php/Samba4/HOWTO/Join_a_domain_as_a_DC
> What I want to know, is whether or not it would be possible to then
> shutdown the Windows 2003 server and let the new Samba4 be the only DC
> for the domain, so we avoid creating a new domain for everyone to
> join, but simply moving everything to a new server.
> Does anybody know if this is even possible with Samba4?

Yes, this is exactly what Samba4 provides.  Simply move the FSMO roles
to Samba4 before you remove the Windows 2003 DC, and copy the sysvol
share manually (we do not yet sync files using FRS, but we are working
hard to get that working). 

Andrew Bartlett

Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org

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