[Samba] Upgrading Samba

Rowland Penny rpenny at samba.org
Wed Feb 6 17:05:17 UTC 2019


On Wed, 6 Feb 2019 11:26:46 -0500 (EST)
me at tdiehl.org wrote:

> Hi Rowland,
> 
> On Wed, 6 Feb 2019, Rowland Penny via samba wrote:
> 
> > On Wed, 6 Feb 2019 15:20:56 +0400
> > henri transfert via samba <samba at lists.samba.org> wrote:
> >
> >> Hello all,
> >>
> >> I've planned to upgrade a Samba DC from 4.6.7 to 4.9.4 .
> >
> > STOP!
> >
> > Do not do this directly, reports on here have shown that this will
> > not work.
> >
> > You will have to 'walk' up the versions, it may work if you go to
> > 4.8.3, then to 4.9.4, but you may have to go to 4.7.2 first.
> 
> If I have a domain running (2) 4.7.x DC's and I build 2 new DC's with
> 4.9.latest, join the domain and make them DC's and then decommission
> the old DC's, is that expected to work?
> 
> Regards,
> 

Not entirely sure, but I think the answer is likely to be 'No'
I think the problem is the GUID Index mode introduced at 4.8.0, Your
4.7.x DC's will not have this, but the 4.9.x DC's will probably expect
this. Only way to find out, try it ;-)

Rowland



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