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

Thu Jun 26 11:21:32 MDT 2014

Hi,

Yes, have seen that wiki page, seems straightforward enough, but I didn't
think FLATFILE was supported any more?

c:)

On 26 June 2014 17:41, lp101 <lingpanda101 at gmail.com> wrote:

>  Chris,
>
>     Have you seen this link from the wiki or do you need to know how to
> setup Bind9_FlatFile first?
>
> https://wiki.samba.org/index.php/Changing_the_DNS_backend
>
>
>
> On 6/26/2014 8:35 AM, Chris Alavoine wrote:
>
> 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
>
>
> --
> -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