[Samba] New server and demoted with the same name and IP.

[Rommel Rodriguez Toirac]

El 23 de agosto de 2021 13:35:57 GMT-04:00, Rowland Penny via samba <samba at lists.samba.org> escribió:
>On Mon, 2021-08-23 at 13:10 -0400, Rommel Rodriguez Toirac via samba
>wrote:
>> El 23 de agosto de 2021 12:17:12 GMT-04:00, Rowland Penny via samba <
>> samba at lists.samba.org> escribió:
>> > On Mon, 2021-08-23 at 12:07 -0400, Rommel Rodriguez Toirac via
>> > samba
>> > wrote:
>> > > 
>> > > Two servers (machines) in the same domain. 
>> > >  They both are Domain Controller.
>> > > 
>> > >  CentOS7 - samba 4.11.4  (hostname gtmad)
>> > >  CentOS8 - samba 4.14.3 (hostname gtmad1)
>> > > 
>> > > both compiled.
>> > > 
>> > >  The FSMO roles are in the server with CentOS8:
>> > 
>> > Then why does it matter if the ip and name changes ?
>> > 
>> > I would create a new DC by joining it to the domain, transfer all
>> > the
>> > FSMO roles to it and then demote the existing DC's, adding any
>> > other 
>> > new DC's required.
>> > 
>> > Rowland
>> > 
>> >  
>> 
>>  The entired network use static IP and in the workstations the
>> Network Device configuration / IPV4 / DNS Server is used the IP of
>> the CentOS7 server, so if change this IP I have a lot of work to
>> do.  
>
>That is why you only use fixed ip's (or dhcp reservations) for a small
>amount of servers (DC's etc) and dhcp for everything else.
>
>If you must use the same ipaddress and name for a DC, then you are
>going to have to demote the old DC, ensure there are no records for the
>old DC in AD, then join the new DC.
>
>Rowland


 Thanks Rowland;
demore the old DC, understand; no records  for the old DC in AD, no understand so much.
 This is search in the DNS? or in anywhere else?

-- 
Rommel Rodriguez Toirac
rommelrt at nauta.cu