[Samba] Using samba-tool to join a linux file server to the domain doesn't appear to work

Patrick Goetz pgoetz at math.utexas.edu
Wed Nov 3 10:17:11 UTC 2021

On 11/3/21 05:06, Rowland Penny via samba wrote:
> On Wed, 2021-11-03 at 04:58 -0500, Patrick Goetz via samba wrote:
>> Looks like I need to re-architect the whole system to use an
>> internal
>> DHCP server, because setting a static IP on the host appears to be
>> causing issues:
>> root at data2:/etc/samba# samba-tool domain join ea.linuxcs.com MEMBER
>> -U
>> administrator
>> Password for [EA\administrator]:
>> Joined domain EA (S-1-5-21-2398640129-655337111-1434392923)
>> However, the host isn't known to the samba DC:
>> root at samba-dc:~# host data2
>> root at samba-dc:~#
> What version of Samba are you using ?
> Your join method only works with Samba >= 4.15.0

Good catch. I've been configuring too many systems and somehow forgot to 
add Louis' PPA to /etc/apt/sources.list.d  <:(

Ugh, I'm an idiot. Can I just upgrade Samba in place, already joined to 
the domain, or is it safer to unjoin, update Samba, and then rejoin?

If the latter, how do I unjoin a linux host?  With Windows you just 
switch the configuration back to WORKGROUP. I've already tested this. 
The DC seems to remember the W10 host for a while after I leave, but 
then forgets about it at some point.

> Rowland

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