[Samba] Upgrading samba3 to samba4 on a new server, and running them both at the same time

[Andrew Bartlett]

On Tue, 2013-07-23 at 09:46 -0700, Scott Goodwin wrote:

> What I'm trying to avoid is having to physically set up a test network that
> is completely isolated from our live samba3 network, in order to test
> everything out.  If I can run them both on the same network, it would be so
> much easier for me. (Our server closet is pretty small, and the thought of
> physically wiring up a different switch with test workstations, etc, is not
> something I want to do if at all possible).

Use a test network.  

Once clients see an AD DC, they won't like the old server, particularly
for NT System Policies, or if they change their machine account
passwords.  Additionally, the DCs will fight over the PDC role netbios
name. 

Andrew Bartlett

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