[Samba] The trust relationship between this workstation and the primary domain failed

[shacky]

>
> I would start by checking the time on the DC's and clients. not being
> used to zentyal, do the DC's run a time server ?
>

I checked date and time on DCs and failing clients.
Both DCs and the failing clients have the same date, time and timezone.


> What version of Samba is running on the DC's ?


4.6.7-Ubuntu on Ubuntu Xenial 64 bit.

Thanks!