[Samba] Replacement of a windows 2000 PDC with active
directory by samba/LDAP
abartlet at samba.org
Sun Jan 2 02:40:57 GMT 2005
On Fri, 2004-12-24 at 11:24 +0100, Olivier Navas wrote:
> I'm currently working on a project aiming at replacing all windows
> servers (about 20) in my company by linux servers. Some of these windows
> servers are windows 2000 domain controlers (one PDC and few BDCs) with
> active directory. We have about 900 client windows 2000 workstations and
> about 2/3 of them are domain members.
Is this a native mode, or mixed mode domain?
> Our goal is to replace the windows servers that are domain controlers by
> samba servers, and of course, to avoid as much as possible a migration
> of the windows workstations because that would be a very long and human
> resource intensive task.
> Reading the samba documentation, I understand that samba 3 can act
> roughly like a windows NT 4 PDC, but not like an active directory
> server. My first conclusion is that our windows domain will probably
> have to "downgrade" to a "NT 4 like" domain, but I don't really know
> what impact this will have on windows 2000 workstations.
> So these are my questions:
> - Will we be able to achieve the replacement of the windows 2000 PDC et
> BDCs without any action on windows workstations ? Or should we prepare
> for bad days of workstations migration ?
This very much depends, native mode domains are very hard to work with,
but a mixed mode domain *should* be possible.
I've done some investigatory work recently that should allow us to
overcome the 'no passwords in vampire' problem, if that turns out to be
a blocker. (I have shown in Samba4 how to get the passwords, but samba3
doesn't use this yet). Otherwise, I would suggest just trying it. If
you vampire into a distinct test network, then you can take aside a few
of your test machines (you have a test network, and test workstations,
right?) and see what works, what fails.
Andrew Bartlett abartlet at samba.org
Authentication Developer, Samba Team http://samba.org
Student Network Administrator, Hawker College abartlet at hawkerc.net
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