[Samba] Share users across domains

Jeremy Allison jra at samba.org
Mon Apr 2 16:04:54 UTC 2018

On Mon, Apr 02, 2018 at 03:42:39PM +0100, Rowland Penny via samba wrote:
> On Mon, 02 Apr 2018 14:15:40 +0000
> Rodrigo Abrantes Antunes <rodrigoantunes at pelotas.ifsul.edu.br> wrote:
> >   I know these systems work with AD, the problem is the migration, I  
> > don't think is easy to migrate 5000 accounts from current systems to  
> > new systems. I will need to learn the sintaxes of all these new  
> > systems and this would take huge time because I know nothing of  
> > samba4, or AD, or dovecot, or kerberos and the boss whants the
> > emails for students for next month. We don't plan to change
> > cyrus/postfix and horde, whats the problem with them? I already tried
> > kopano and the users hated it. And like I said there are a lot of
> > internal administrative systems that were programmed (not by me) to
> > work with ldap only, including some that are not opensource. A while
> > ago I did research on how to migrate my current domain to samba4 and
> > from what I understand it would be almost impossible or too difficult
> > for my scenario
> > 
> I know that at least one of the other Samba-team members wants to
> retain the use of NT4-style domains, but Microsoft seems to be trying
> to ensure that they go away. Microsoft stopped supporting NT domains
> over 10 years ago and bit by bit they seem to be removing the
> ability to use windows with them. You might find that one day, after
> a windows update, your domain doesn't work with your windows machines
> any more and then what will you do ?   
> Far better to migrate to Samba AD now, whilst you are not being forced
> to in a rush, but it is your decision and you will have to account for
> it, if/when it all goes wrong.

+1 to this. Folks, the NT4-style domains are out of maintanence
from Microsoft (can't blame them for this, we move code to out of
maintanence status all the time). Samba-AD is getting more scalable,
more support and being adopted by some large organizations who
will ensure support and continuation for many years to come.

I really would listen to Rowland on this, he knows what he is
talking about.


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