[Samba] Samba4 Kerberos Authentication Error

[Rowland Penny]

On Wed, 5 Dec 2018 09:41:13 -0500
Marco Shmerykowsky via samba <samba at lists.samba.org> wrote:

> I'm trying to setup a Samba4 Active Directory server.
> 
> I've gotten the server running, the IP addresses resolve
> properly.  The Windows10 client can join the domain.
> I've run the basic checks that seem to be listed
> on the samba wiki and get the expected results.
> 
> I've modified nsswitch.conf to include winbind on the
> passwd and group lines.
> 
> I've made sure all machines are pointing to the same
> NTP server so that time is synched
> 
> I've created a user using -> samba-tool user create jdoe
> 
> I've added the computer using -> samba-tool computer create MACHINE01
> 
> I've created a "test-share" with ownership set to the
> group "Domain Users":
> 
> [Test-Share]
>         path = /home/test-share
>         writable = yes
>         create mode = 0770
>         directory mode = 0770
>         guest ok = no
> 
> When I run Server Manager in Win10 I get an error that
> states: "Kerberos authentication error"
> 
> When I try to login with the user, Windows gives me this:
> 
> "We can't sign you in with this credential because your
> domain isn't available.  Make sure your device is connected
> to your organization's network and try again."
> 
> Login authentication didn't seem to work before I
> added the test-share either.
> 
> What did I miss?
> 

You missed posting your smb.conf for a start ;-)

Did you actually join the Win10 machine to the domain ?
Creating it with samba-tool isn't enough.

Rowland