[Bug 1644428] [NEW] Unable to log in with AD account after update

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Andreas Hasenack (ahasenack):

After performing a system update one of my users was no longer able to
authenticate against Active Directory. This is on a Ubuntu 14.04 on
amd64.

The error in /var/log/auth.log was:

Nov 24 15:08:06 haggerstone lightdm: PAM unable to
dlopen(pam_winbind.so): /lib/security/pam_winbind.so: cannot open shared
object file: No such file or directory

I tried rebooting thinking something broke during the update, but I got
the same error.

I checked against my PC and saw that there were updates pending for the
samba packages. I used the version numbers on my PC to perform a
downgrade to 2:4.3.11+dfsg-0ubuntu0.14.04.1 and the problem went away.

The affected version is 2:4.3.11+dfsg-0ubuntu0.14.04.2

** Affects: samba (Ubuntu)
     Importance: High
     Assignee: Andreas Hasenack (ahasenack)
         Status: In Progress

** Affects: samba (Ubuntu Trusty)
     Importance: High
     Assignee: Louis Bouchard (louis)
         Status: Fix Released


** Tags: regression-update server-next verification-done
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Unable to log in with AD account after update
https://bugs.launchpad.net/bugs/1644428
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