[Samba] Windows Server 2003 and Samba 4.7.6

[Rowland penny]

On 20/06/2019 06:09, Konstantin Boyandin via samba wrote:
> Hello,
>
> In short: there's a Windows Server 2003 system, which worked without 
> many problems with NT domain (Samba 3). The NT domain is being shut 
> down, and I noticed I have hard time trying to befriend the mentioned 
> system with AD run under Samba 4.7.6 (default on Ubuntu 18.04).
>
> Is the mentioned AD incompatible with Windows Server 2003? When trying 
> to join, I get cryptic message about password being incorrect (? the 
> domain administrator I use is used with correct password), and see no 
> mentioned system name/IP in Samba logs.
>
> (yes, I know that the Windows Server 2003 is a relic and should better 
> be left in /dev/null, but it's still required and is run in isolated 
> environment)
>
> I would appreciate any piece of advice (or confirmation that this OS 
> is not actually supported anymore). Thanks in advance.
>
> Sincerely,
> Konstantin
>
It is probably down to the 2003 speaking NTLMv1 and the Samba AD 
speaking NTLMv2.

Easy test, add 'ntlm auth = yes' to the smb.conf and restart Samba, if 
this works, you know what to fix.

Rowland