[Samba] NT_STATUS_INTERNAL_ERROR from RPC server on samba 4.5.8 AD DC

Rowland Penny rpenny at samba.org
Tue Oct 17 08:54:18 UTC 2017

On Tue, 17 Oct 2017 09:29:00 +0100
Richard Connon via samba <samba at lists.samba.org> wrote:

> On 16/10/2017 19:30, Rowland Penny wrote:
> >
> > Is the member server using DHCP ?
> Yes. Both test hosts are using DHCP with static leases for IP
> addresses but not for DNS domains or nameservers.

I wouldn't do this, I would give the DC a fixed ipaddress.

> > Is '' the ipaddress of the DC ?
> Yes
> > You haven't got 'security = ADS' in your smb.conf.
> Assuming you mean on the member, good point, but it doesn't change
> this behaviour. My understanding was this only affected smbd anyway,
> which I'm not running on the member.

You need it

> > You have 'unix password sync = yes' in smb.conf,
> > Do you have Unix users that are also in AD ?
> No, this is just a default smb.conf from debian. I assume this
> wouldn't actually have any affect on a member server where there is
> no local passdb anyway and again, removing it has no affect.

It wouldn't help.

> > And finally the biggy, are you using sssd ?
> No, these test hosts are very basic debian installs I've done to
> attempt to isolate this problem, although my "production" installs
> use SSSD.

Then it is never going to work, you have not set up winbind at all.

Can I suggest you go and read this:


I suggest you follow it and use the 'rid' backend.


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