user authentication issues with samba4-beta5 as a member server

Jean Raby jraby at
Fri Sep 7 10:31:25 MDT 2012

On 12-09-06 6:02 PM, Andrew Bartlett wrote:
> On Thu, 2012-09-06 at 09:59 -0400, Jean Raby wrote:
>> On 12-09-05 7:17 PM, Andrew Bartlett wrote:
>>>> Alright, I tested this again with beta8 and /usr/sbin/samba won't even
>>>>>   start when configured as a member server.
>>>>>   So I guess the release notes were right;-)
>>>>>   We've been using samba as a DC along with openchange and sogo and it
>>>>>   works pretty well for our development needs, but we're trying to find a
>>>>>   way to integrate that with existing domains with a windows DC.
>>>>>   At first I thought that we'd simply have to join samba as a member
>>>>>   server, but obviously, that won't work for now.
>>> It is meant to still permit a startup in this situation.  Is there any
>>> chance you could debug the code in source4/smbd/server.c that imposes
>>> this restriction and work out why if doesn't allow you to start up?
>> Indeed, samba will start if 'dcerpc endpoint servers' contains 'mapiproxy'.
>> It didn't work in my tests since I was using a minimal smb.conf without
>> this parameter.
>> However, I get the same behavior when trying to authenticate a user
>> using wbinfo -K :
> Ahh, this is simple.  wbinfo -K is unimplemented in the winbind in the
> 'samba' binary.  wbinfo -a should work however.

Unfortunately 'wbinfo -a' doesn't work either.
I'll dive in with gdb and try to understand what's going on here.

I've also attached the output from samba -d10, maybe that can be useful 
to understand what's wrong.

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