[Samba] Migrate DCs on ubuntu 14.04 to ubuntu 18.04

Stefan Kania stefan at kania-online.de
Fri May 15 09:29:57 UTC 2020

If you update to Ubuntu 18.04 with Samba 4.7 you will update to both old
versions. Better update to 20.04. Set up a new DC with Ubuntu 20.04 join
in your domain, after the DC is running replace your DCs step by step

Am 15.05.20 um 11:07 schrieb Emilian Mitocariu via samba:
> Hi,
> I'm having the following setup: 3 offices, with at least 2 DCs per office.
> Every DC is running on ubuntu 14.04 with either samba 4.3.9 or 4.3.11. I'm
> not the one that build these DCs but from documentation and what I'm told,
> nothing fancy was done on them, just joined the domain, added
> users/fileservers and group policy replication as described here:
> https://wiki.samba.org/index.php/Rsync_based_SysVol_replication_workaround
> I have to upgrade/migrate these DCs, so my strategy is to build new DCs on
> ubuntu 18.04, which comes with samba 4.7.6, join these new DCs to the
> domain, move the FSMO roles to one of the new DCs, move the group policy
> replication to new DCs as well and remove the old DCs from domain.
> My question is, will all data replicate from old DCs to new DCs alright,
> considering the difference between samba versions?

Stefan Kania
Landweg 13
25693 St. Michaelisdonn

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