[Samba] User mapping?

[Rowland penny]

On 07/08/2020 19:46, Simon Matthews via samba wrote:
> I have a network with a Samba server (Samba 4, but running as an old
> NT-style domain), Windows and Linux clients.
You really should consider upgrading to AD,
> Is there any way to have the Windows client access map to just "user",
> with its Linux UID? What should I expect with a machine that is joined
> to a domain -- or is the problem that the Linux client is not actually
> joined to the domain? If so, how do I fix this?

Can we start by seeing your smb.conf files from your PDC and a linux 
client, also what OS is the client running.

Rowland