[Samba] Problem after upgrading to Debian 10

[Rowland penny]

On 12/07/2019 20:23, Alberto José García Fumero via samba wrote:
> Excuse me if I bother you, but I badly need help.
>
> Let me describe the situation. In my network there is a group of
> Windows boxes in a Windows domain (THE_DOMAIN),
What is the Windows DC ?
>   three computers with
> Debian 9.x not linked to the domain (in a workgroup named TECHNOLOGY,
> and the parameter security=user) one of which I use, and other three
> computers with Debian 7.x in another workgroup (and security=share, so
> no problem accessing these).
You will have a problem when you upgrade the EOL Debian Wheezy, 
'security = share' no longer exists.
>
> When using Debian 9.x I was able to access (by way of Nautilus) the
> shared resources in all boxes in the domain THE_DOMAIN identifying me
> as the user administrator of the Samba 4 domain in the dialog window.
> After upgrading to Debian 10, this is no longer possible.
>
> What I am doing wrong? Is it necessary to join the domain, after this
> upgrade?
This is probably down to the value for 'ntlm auth' being changed from 
'yes' to 'ntlmv2-only' at 4.7.0

Rowland