[Samba] Migration strategy

[Rowland Penny]

On Fri, 21 Nov 2025 09:43:37 +0100
Anders Östling via samba <samba at lists.samba.org> wrote:

> Quick followup: Join of server C was successful, and replication
> works. A, B and C are shown as replicated correctly. But there is a
> warning (?) on server C
> 
> samba-tool fsmo show
> ...all 5 default roles shown correctly
> DomainDNSZonesMasterRole has no current owner
> Forets DNSZonesMasterRole has no current owner
> 
> netdom query fsmo
> The Windows servers (A and B) does not show these two lines, just the
> 5 default roles. Should I be worried? Google is not very helpful. IOne
> article suggests that it could be caused by demoting or removing a DC
> that held the SchemaMaster role. I can't recall removing or demoting
> any DC in our environment. Is there a fix?
> 
> On Thu, Nov 20, 2025 at 11:08 PM Travis Wenks

Windows only seems to accept there are 5 FSMO roles:
rid schema pdc naming infrastructure

They don't seem to talk about the DNS ones.

Try transferring the dns roles to the Samba DC (NOTE: the FSMO roles do
not have to be on just one DC), if that doesn't work, try seizing them.

Rowland