[Samba] Machine choosing unexpected logonserver in multi-dc domain 4.2.1

L.P.H. van Belle belle at bazuin.nl
Fri Apr 24 01:31:04 MDT 2015

You can set an policy for this in GPO, dont remember exacly which one but it is there. 
By default windows connect to the DC with fsmo roles.
Somewhere in computer policies. Templates / System 



>-----Oorspronkelijk bericht-----
>Van: davortvusir at gmail.com 
>[mailto:samba-bounces at lists.samba.org] Namens Davor Vusir
>Verzonden: donderdag 23 april 2015 19:49
>Aan: samba at lists.samba.org
>Onderwerp: Re: [Samba] Machine choosing unexpected logonserver 
>in multi-dc domain 4.2.1
>Rowland Penny skrev den 2015-04-23 10:35:
>> On 23/04/15 03:39, Fred Smith wrote:
>>> I have the following setup in a samba 4.2.1 multi-dc domain
>>> DC1 -
>>> DC2 -
>>> DC3 -
>>> I have a site and subnet setup for each DC in Active Directory Sites
>>> and Services
>>> DC1 server in site DC1 with subnet
>>> DC2 server in site DC2 with subnet
>>> DC3 server in site DC3 with subnet
>>> DC3 has dhcpd setup giving machines on it's network IPs 
>>> When I login to a Win7 machine in DC3s site/network, it always gets
>>> logonserver DC1. I have tried leaving/join domain. The only 
>way I can
>>> get it to use DC3 as logonserver is to stop samba on DC1 and DC2.
>>> I use the following command on the Win7 machine to verify the 
>>> logonserver
>>> echo %logonserver%
>>> When I had this similar configuration in samba 4.1.x 
>machines on DC3s
>>> network would always choose DC3 as the logonserver.
>> I do not think this is actually a samba4 AD problem, it is a general 
>> AD problem, try an internet search 'AD clients always use one DC'
>> Rowland
>Do you have got corresponding DNS RR for sites DC1, DC2 and DC3? 
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