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Re: [Samba] Upgrading Samba




On Wed, 6 Feb 2019, Rowland Penny via samba wrote:

On Wed, 6 Feb 2019 11:26:46 -0500 (EST)
me@xxxxxxxxxx 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@xxxxxxxxxxxxxxx> 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 ;-)

OK, so to be clear, If I do this does it only break the new DC or do I risk
breaking all of the DCs in the domain?

What exactly am I looking for? bind_dlz errors?

Assuming it will only break the new DC, I am willing to give it a try and
report back.

Regards,

--
Tom			me@xxxxxxxxxx

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