It seems that the nature of the XP client is to use the BDC if available. You could try modifying the priority by adjusting the folloing

    announce version
    os level

though to be honest I never got that to work for me. (I have a samba 3.0.x PDC and BDC and a samba 3.4.x BDC and I did NOT want the 3.4.x machine being the preferred one.)

If you are not using WINS, the XP client should broadcast for a logon controller and only find local machines. I have not run samba DC's in multiple locations. I have with NT4 servers, which support WINS replication. I wish samba did as well. If you do use WINS, you would probably want to make sure that you don't have a XP client using a WINS server in another site. If both machines are WINS servers for the local clients you may have to edit an lmhosts file to tell each DC about other DC's on the WAN. Alternately you may want to make the BDC in the remote office a WINS client of the PDC in the main office.



The other approach may be to have separate domains for each office and set up trusts. Each machine could be a WINS server if you used LMHOSTS files to tell each server about the other.





On 01/08/10 10:02, Marcin Giedz wrote:
Hi,

Maybe this was asked many time (although can't find it on google). Let's
assume 2 scenarios:
1) I've got local network where PDC and BDC are set up. PDC is working
fine so the BDC is. When it's possible for any XP client to use BDC
instead of PDC? I read in samba docs that if PDC is slow client can use
BDC - but what does it mean slow for the client? How the client knows
what "slow" is? Can Windows client measure "some kind of ping response"
from PDC/BDC?
2) But if I have 2 offices: first one HQ has PDC installed and branch
has BDC. How branches clients know to use BDC and not PDC?

I tried and read Network Browsing on samba doc web but this issue isn't
still clear to me. Can some please explain me how this works in Samba env?

Thanks,
Marcin




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