>Ubuntu 14.04 - have been able to get to joining AD domain, but
>authenticate users after join. SSSD appears to start, die, start, die....
>Issue may be in correct DNS nameserver config as I am not sure if settings
>should be made in resolvconf, dnsmasq, Network Manager.
The best way will be to follow intrustions from wiki
You can also check your configuration against the specialized AD setup