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["C. Jeffery Small" <jeff@xxxxxxxx>]

Public bug reported:

Samba has been running properly in all previous version of Xubuntu up
through 17.10 with server role = standalone.

After the 18.04 upgrade, all samba services fail to start as noted
below.  numerous changes were made, including advice from the net to add
"client max protocol = NT1" to smb.conf, all with no success.

A last-ditch attempt to reinstall the samba 2:4.7.6+dfsg~ubuntu-0ubuntu2
from synaptic fails with the pop-up error message:

E: samba: installed samba package post-installation script subprocess
returned error exit status 1

The log output is attached.

An attempt to start the samba service:

# service  samba-ad-dc start
Job for samba-ad-dc.service failed because the control process exited with error code.
See "systemctl status samba-ad-dc.service" and "journalctl -xe" for details.

# systemctl status samba-ad-dc.service
● samba-ad-dc.service
   Loaded: masked (/dev/null; bad)
   Active: failed (Result: exit-code) since Tue 2018-06-12 15:34:02 PDT; 17min ago
 Main PID: 27780 (code=exited, status=1/FAILURE)
   Status: "daemon failed to start: Samba detected misconfigured 'server role' and exited. Check logs for details"

Jun 12 15:34:02 dymaxion.cjsa2.com systemd[1]: Starting Samba AD Daemon...
Jun 12 15:34:02 dymaxion.cjsa2.com samba[27780]: handle_name_resolve_order: WARNING: Ignoring invalid list value '
Jun 12 15:34:02 dymaxion.cjsa2.com systemd[1]: samba-ad-dc.service: Main process exited, code=exited, status=1/FAI
Jun 12 15:34:02 dymaxion.cjsa2.com systemd[1]: samba-ad-dc.service: Failed with result 'exit-code'.
Jun 12 15:34:02 dymaxion.cjsa2.com systemd[1]: Failed to start Samba AD Daemon.

# A second (and subsequent) attempt to start samba:

# service samba-ad-dc start
Failed to start samba-ad-dc.service: Unit samba-ad-dc.service is masked.

I tried a number of options to unmask and start the samba services with
no success.

Many people seem to be having great difficulty with samba now, but I
located no clear instructions for addressing the problem which seems
might be related to the active directory component.

I would expect an upgrade to a properly configured system to continue to
run.  I'm guessing that there is a fundamental configuration problem
here, but possibly a deeper level bug.  I will also attach the smb.conf.
file to this report.  Guidance is appreciated.

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: 18.04 samba xubuntu

** Attachment added: "Samba package installation log"
   https://bugs.launchpad.net/bugs/1776576/+attachment/5151906/+files/samba

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https://bugs.launchpad.net/bugs/1776576

Title:
  Ubuntu 18.04 uograde: samba fails to run

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