SADMS settings lost at reboot

[Rémi BOULLE]

Binary package hint: sadms

SADMS setting process is just fine. We can test AD authentication and it works.

After reboot, It doesn't work anymore. "No logon server". With a local account, on sadms window everything is green : domain and PAM but impossible to connect onto AD.

[Rémi BOULLE (rboulle)]

It is on : Ubuntu 10.10

[Rémi BOULLE (rboulle)]

After a few more tests, it seems that avahi-daemon is a part of this issue... Thanks Bernard Bou for the hint.

A brutal : sudo apt-get remove avahi-daemon solved the problem.

Is avahi mandatory for Ubuntu to work properly ? Can we remove it while installing sadms ?
Thanks.

[Rémi BOULLE (rboulle)]

Read on avahi.org website :

====
If you come across a network where .local is a unicast DNS domain, please contact the local administrator and ask him to move his DNS zone to a different domain. If this is not possible, we recommend not to use Avahi in such a network at all.
====

Shall with exclude avahi when installing sadms ?

[Bernard Bou (bbou)]

This is due to Kerberos being very fussy with DNS. Name resolution of "local" domains is processed by avahi (see /etc/nsswitch.conf) and DNS is not even given a chance. And this is where we run into trouble.

A workaround is to remove avahi daemon altogether, as Rémi put it, which makes sense in an environment like AD, where naming is primarily handled by DNS.