[Samba] Unable to join a DC to a Site that doesn't already have a DC in that subnet

[Chris Alavoine]

I'm running 4.1.5 at present on all my DC's. Will BIND9_FLATFILE work with
this release - I can't find any documentation on how to change from
Internal DNS to BIND9_FLATFILE.

Thanks,
Chris.


On 24 June 2014 19:14, Davor Vusir <davortvusir at gmail.com> wrote:

> Sorry. Don't know. Haven't tested  internal DNS. Maybe the recpie is
> to use BIND9_FLATFILE.
>
> /Davor
>
> 2014-06-24 20:07 GMT+02:00 lp101 <lingpanda101 at gmail.com>:
> > Any workaround if using the internal DNS to move sites?
> >
> >
> > On 6/24/2014 1:08 PM, Davor Vusir wrote:
> >>
> >> Hi again!
> >>
> >> If you use BIND9_DLZ, try change/convert to BIND9_FLATFILE and you
> >> will be able to create and rename Sites and move DC:s to the newly
> >> created Site.
> >>
> >> Regards
> >> Davor
> >>
> >>
> >> 2014-06-18 20:40 GMT+02:00 Davor Vusir <davortvusir at gmail.com>:
> >>>
> >>> 2014-06-18 10:28 GMT+02:00 Chris Alavoine <chrisa at acs-info.co.uk>:
> >>>>
> >>>> Hi all,
> >>>>
> >>>> Am having problems adding a new DC to a Site that doesn't already
> have a
> >>>> DC
> >>>> in the same subnet. Whenever I try and do a domain join specifying a
> >>>> nearby
> >>>> DC in a different subnet I get this:
> >>>>
> >>>> ERROR(runtime): uncaught exception - (-1073741643,
> >>>> 'NT_STATUS_IO_TIMEOUT')
> >>>>    File
> >>>>
> "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/__init__.py",
> >>>> line 175, in _run
> >>>>      return self.run(*args, **kwargs)
> >>>>    File
> >>>> "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/domain.py",
> >>>> line
> >>>> 552, in run
> >>>>      machinepass=machinepass, use_ntvfs=use_ntvfs,
> >>>> dns_backend=dns_backend)
> >>>>    File "/usr/local/samba/lib/python2.7/site-packages/samba/join.py",
> >>>> line
> >>>> 1172, in join_DC
> >>>>      ctx.do_join()
> >>>>    File "/usr/local/samba/lib/python2.7/site-packages/samba/join.py",
> >>>> line
> >>>> 1082, in do_join
> >>>>      ctx.join_finalise()
> >>>>    File "/usr/local/samba/lib/python2.7/site-packages/samba/join.py",
> >>>> line
> >>>> 881, in join_finalise
> >>>>      ctx.send_DsReplicaUpdateRefs(nc)
> >>>>    File "/usr/local/samba/lib/python2.7/site-packages/samba/join.py",
> >>>> line
> >>>> 866, in send_DsReplicaUpdateRefs
> >>>>      ctx.drsuapi.DsReplicaUpdateRefs(ctx.drsuapi_handle, 1, r)
> >>>>
> >>>> I have managed to join a DC to a Site that already has a DC in that
> >>>> subnet
> >>>> (although not in that Site).
> >>>>
> >>>> Can anyone think of a workaround for this?
> >>>>
> >>>> This is my join statement (names changed to protect the innocent):
> >>>>
> >>>> /usr/local/samba/bin/samba-tool domain join essence.internal.com DC
> >>>> -UAdministrator --realm=example.com --server=remotedc.example.com
> >>>> --site=local
> >>>>
> >>>>
> >>>> I am trying to do this due to the bug that doesn't allow the manual
> >>>> moving
> >>>> of DC's to new Sites by using the ADSS drag and drop method.
> >>>>
> >>> Hi Chris!
> >>>
> >>> Actually there is a way. If you use a DNS that does not reside on the
> >>> DC's but standalone, the manual moving works.
> >>>
> >>> As a start I put the following RRs in a static dns: A, ptr and 'basic'
> >>> SRV RR
> >>> _gc._tcp, _kerberos._tcp, _kerberos._tcp, _kerberos._udp,
> >>> _kpasswd._tcp, _kpasswd._udp, _ldap._tcp, _ldap._tcp.dc._msdcs,
> >>> _ldap._tcp.gc._msdcs, _ldap._tcp.pdc._msdcs.
> >>>
> >>> That ended in following errors in syslog (amongst others):
> >>>
> >>> [2014/06/18 11:56:36.078267, 3]
> >>> ../source4/libcli/resolve/dns_ex.c:492(pipe_handler)
> >>>   dns child failed to find name
> >>> '5d6f52ac-640c-4dc1-a84b-42aac923d256._msdcs.example.org' of type A.
> >>>
> >>> All SRV RR for a DC have to be present in DNS. But I have had no time
> >>> to test it. And I have not tested multiple subnets.
> >>>
> >>> My guess is that the bug is DNS related or the account that makes the
> >>> changes cannot edit the AD database. And that results in that no SRV
> >>> RR are added/changed and the MMC eventually times out.
> >>>
> >>> Regards
> >>> Davor
> >>>
> >>>   Thanks,
> >>>>
> >>>> Chris.
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> ACS (Alavoine Computer Services Ltd)
> >>>> Chris Alavoine
> >>>> mob +44 (0)7724 710 730
> >>>> www.alavoinecs.co.uk
> >>>> http://twitter.com/#!/alavoinecs
> >>>> http://www.linkedin.com/pub/chris-alavoine/39/606/192
> >>>> --
> >>>> To unsubscribe from this list go to the following URL and read the
> >>>> instructions:  https://lists.samba.org/mailman/options/samba
> >
> >
> > --
> > -James
> >
>



-- 
ACS (Alavoine Computer Services Ltd)
Chris Alavoine
mob +44 (0)7724 710 730
www.alavoinecs.co.uk
http://twitter.com/#!/alavoinecs
http://www.linkedin.com/pub/chris-alavoine/39/606/192