[Samba] Samba migrate from ver 4.11.11 to 4.12.5

[Rowland penny]

On 27/07/2020 14:50, admin at prawda.net.pl wrote:
> Hi
> OS: Debian 10
> Logs from samba.log:
>
> Problem is when I try in to Active Directory Users and Computers.

I take it you are logged into a Windows computer as Administrator and 
trying to open ADUC, if so, try changing the Administrator password.

If that doesn't fix it, what version of Windows ?

Where did you get Samba 4.12.5 from ?

Please post the smb.conf from the Samba AD DC.

Rowland