[Samba] samba 4.4.2 ads member not authenticating properly

[Miguel Medalha]

> I have a Centos 7 system running samba that is joined to an ADS.  When I
> was running 4.4.0 everything worked just fine.  When I installed 4.4.2
> samba stopped authenticating passwords against the ads properly.  I am
> using sssd and have verified that it is working correctly and able to
> validate passwords.  I am not running winbind.  Both 4.4.0 and 4.4.2 were
> compiled using exactly the same environment.
>
> (...)
>
> Can anyone point me in the right direction?
>

Did you read this document?

https://www.samba.org/samba/history/samba-4.4.2.html

It details several new defaults and behavior changes with version 4.4.2.