[Samba] Changing samba PDC version but keeping the same IP address

[Olivier Nicole]

>> We are on the way to upgrade our PDC from 2.2.8 to 3.2.11
>> as we do not want to reconfigure the PDC IP address on several
>> hundreds of windows XP clients we have chosen to keep the same
>> IP address for the new PDC.

Why not keeping the same name for your server? Then with same name and
same IP you don't need to update anything.

You may have to keep the Samba server SID too (keep the secrets.tdb
file from one server to the other, transparent with LDAP I think).

Besys,

Olivier