[Samba] Switch roles of PDC and BDC machines?

Andrew Bartlett abartlet at samba.org
Sun Mar 21 02:48:02 GMT 2004

On Wed, 2004-03-17 at 00:43, Paul Gienger wrote:
> I've got two sites that I am planning a Samba3/LDAP implementation on, 
> each will have its own local server.  The problem is that I want to 
> implement in my local office first, which is not the site that 
> eventually will be the 'master' site.  Sometime later when the proper 
> master site comes online, I'd like to demote for lack of a better term, 
> my local machine to a BDC and then promote the other one to a PDC.  What 
> I think would be involved would be:
> 1. Swap the Domain Master parameter so that the first server is set to 
> No and the new and eventual master is Yes.
> 2. Change WINS parameters so that the new PDC is the WINS server, 'wins 
> support' gets the same treatment as Domain Master, point the BDC at the 
> new PDC and then alter DHCP.

WINS is separate from PDC stuff, so you can switch this at any time

> 3. maybe rejoin the xDC machines to the domain with the PDC and BDC 
> parameters for type set for their new values.

No need, but each machine (including the PDC/BDC) should be joined to
the domain.

> Am I missing any terribly important but non-obvious (to me) parameters?

You will need to down the LDAP system, to switch around the LDAP
replication.  This also can be done independently from 'domain master'
parameters, but I would switch both at the same time.

Andrew Bartlett

Andrew Bartlett                                 abartlet at pcug.org.au
Manager, Authentication Subsystems, Samba Team  abartlet at samba.org
Student Network Administrator, Hawker College   abartlet at hawkerc.net
http://samba.org     http://build.samba.org     http://hawkerc.net
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