[Samba] Problem after update version 4.15.0

[Rowland Penny]

On Tue, 2021-09-28 at 18:16 +0000, Sandy via samba wrote:
> Hello list, I hope everyone is well and we can get out little by
> little of this terrible pandemic, I just updated my domain controller
> samba4 to version 4.15.0 and it turns out that when clients try to
> authenticate it tells them that the username or password is wrong,
> that happens with everyone. any ideas ?

What version did you upgrade from ?
Please post your smb.conf

Rowland