[Samba] How to move a samba PDC to a diffrent box

Bruno La Torre b.latorre at sdslaw.com
Thu Jun 19 08:13:44 GMT 2008

Ivan Ordonez ha scritto:
> John Drescher wrote:
>>> Sorry to bother you.  I hope you can help me with my issue.
>> Always cc to the list as well.
>>> We have a domain with more than 100 users and we need to replace our 
>>> PDC.
>>> The PDC main function is to authenticate our users to connect to the 
>>> shared
>>> drive and to authenticate computer login.  The PDC is running samba 
>>> with
>>> openldap on Gentoo machine.  I have two BDCs with ACL set to read 
>>> and write
>>> only.  It was set that way to make the syncing process easier.  The 
>>> syncing
>>> process is like a chain using slurpd.  We plan to use "syncrepl" later.
>>> What is the best way to do to replace the PDC?  I already have a Gentoo
>>> machine up and running.  I copied over all the samba and openldap 
>>> files from
>>> the old PDC to this new machine.  I also exported the database by 
>>> running
>>> the "slapcat -l" command.  I am hesitant to start the slapd, slurpd and
>>> samba service as I am not so sure if I am doing the right thing.
>> Disconnect the network cable on the new machine to make sure you are
>> not interfering with the rest of the network.
>> Start slapd then use slapadd to add your ldap to the database. Use
>> slapcat to verify that all was added and the ldif looks correct. Then
>> start samba and see if the smbclient can connect to itself.
>> Is the old machine the same name as the new? How about the ipddress?
>> Are you using wins, lmhosts or dns for your clinets to find the pdc?
> I will try your suggestion.  We plan on using the same name on the new 
> machine and the same IP address as well. We are using WINS for our 
> client to find the PDC.
you must set on the new PDC the SID of the old PDC
see "net getlocalsid" and "net setlocalsid"


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