[Samba] How to Force Domain Clients to use new PDC
wikked1 at hotmail.com
Fri Feb 17 06:17:39 MST 2012
All systems are joined to the same domain and have the same SID,confirmed.
I'm using the NT4 Server manager to look at status of all domain members,
it displays the hierarchy of the domain, (I figure if an XP workstation (domain member,logged
in as the domain admin) is picking up the change (it does indicate the change usually within 15 minutes
of the BDC to PDC and vice versa). Workstations still report the old PDC when issuing an echo %logonserver%
at the command line,which I understand from the old NT4 Server days,the BDC usually handles logon requests,
but since I'm trying to make the shift to a TLS communication with the LDAP backend I stop the samba service on
the non-TLS BDC and promote the BDC to PDC using the OS level and a couple other parameters.
When it comes to the WINS servers,what I'm asking is IF I can make a change on them to recognize the new PDC faster by
changing a parameter on them so that WINS "leases" (for lack of the parameter name at the moment) are refreshed and the
new PDC recognize by all members of the domain faster?
The two seem to be connected so if I can get WINS to distribute the new PDC to the rest of the domain
The Domain wide recognition of the new PDC takes too long ....
the Hosts (LMHOSTS) file is not a good option in this case....
> Date: Thu, 16 Feb 2012 11:59:00 -0500
> From: gaiseric.vandal at gmail.com
> To: samba at lists.samba.org
> Subject: Re: [Samba] How to Force Domain Clients to use new PDC
> Are all DC's truly in the same domain? ("net getdomainsid" command
> should show the same domain sid on all DC's.) Were the new servers
> joined to the existing domain when setting up or did you just configure
> the same domain name.
> What exactly are you using the NT4 server manager tool for?
> Presumably all samba DC's and clients are pointing to the same WINS
> server. Windows machines by default will prefer to authenticate
> against a BDC. You can try to change this by increasing the "announce
> version" and "os level" parameters in the smb.conf file. The only way
> to really force it is to NOT use wins and configure the client to use an
> lmhosts file to find the DC.
> On 02/16/12 09:37, Wikked One wrote:
> > Good Morning Samba Team,
> > We’ve been using Samba 3.4.8 and
> > OpenLdap as an NT domain PDC for a number of years, running on CentOS 5.7 64 bit. In the
> > meantime I’ve been configuring other systems to use a multimaster OpenLdap
> > backend and implement TLS. Obviously the
> > first system does not communicate with the other 2 systems (now registered as
> > BDC system on the same domain).
> > I have imported the user,group and computer groups into the
> > newer systems so that all password and user information is synchronized.
> > We are also use Samba4Wins as our WINS server…..
> > Now my question: I
> > can “promote” the target system I want to as the PDC by making a few changes to
> > the smb.conf as well as the config file on the current PDC.
> > When I use the old NT4 server manager tool the domain change
> > seems to take a few minutes to register, however many of the domain member
> > client systems (almost exclusively Windows XP Pro) are failing to recognize the
> > change and still use the old PDC to login.
> > How can I force the client systems to recognize the new PDC
> > ?Is this dependent on the WINS servers?
> > Thanks!
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