[Samba] Unable to successfully join Samba 4.8.0 or Windows 2008 R2 to a Samba 4.6.7 DC
Justin Foreman
jforeman at dignitastechnologies.com
Thu Mar 15 20:10:00 UTC 2018
Okay. The master build worked on the join. Excellent. So it was 4.8.0 having a problem.
I’ve attempted to join 2008 R2 now to 4.8.0 but it still blue screens. Should I start a new thread for clarity’s sake?
Justin
> On Mar 15, 2018, at 3:03 PM, Andrew Bartlett <abartlet at samba.org> wrote:
>
> On Thu, 2018-03-15 at 14:34 -0400, Justin Foreman wrote:
>> The problem does not happen if I recreate the domain from scratch. I’m able to successfully join 4.8.0 to a 4.6.7 domain built from scratch (just tried it). One thing that I will note is that I also saw SPN creation failures when attempting to join Windows 2008 R2. So it’s not a Samba 4.8.0 problem. It’s a problem with my database (help!).
>
> Just to connect the dots, this bug has been filed for the same issue:
>
> https://bugzilla.samba.org/show_bug.cgi?id=13336
>
> This commit in master might be a fix:
>
> commit 5c1504b94d1417894176811f18c5d450de22cfd2
> Author: Gary Lockyer <gary at catalyst.net.nz>
> Date: Wed Feb 28 11:47:22 2018 +1300
>
> ldb_tdb: Do not fail in GUID index mode if there is a duplicate
> attribute
>
> It is not the job of the index code to enforce this, but do give a
> a warning given it has been detected.
>
> However, now that we do allow it, we must never return the same
> object twice to the caller, so filter for it in
> ltdb_index_filter().
>
> The GUID list is sorted, which makes this cheap to handle,
> thankfully.
>
> Signed-off-by: Gary Lockyer <gary at catalyst.net.nz>
> Reviewed-by: Douglas Bagnall <douglas.bagnall at catalyst.net.nz>
> Reviewed-by: Andrew Bartlett <abartlet at samba.org>
>
> Can you re-try with git master to help us isolate this?
>
> Andrew Bartlett
>
>> As for an in-place upgrade, I’m struggling a bit with that, as 4.6.7 is Ubuntu packaged and the folder layout is much different than the vanilla source. (i.e. /var/lib/samba vs /usr/local/samba/{var,private,etc}. Is there an easy way to map the folders (env variables?)? I tried to do a find for each tdb and place it correctly in the /usr/local/samba directory structure but it failed miserably when I started the source-built 4.8.0 (essentially ended up with an empty database).
>>
>> Justin
>>
>>> On Mar 15, 2018, at 2:09 PM, Andrew Bartlett <abartlet at samba.org> wrote:
>>>
>>> On Thu, 2018-03-15 at 10:36 -0400, Justin Foreman wrote:
>>>> After deleting the entire OU the failure happens on a different computer account in a different OU and so on. I don't think that there's anything unusual about my computer accounts.
>>>
>>> Does it happen when you re-create the domain from scratch with 4.6 or
>>> 4.7 and join to 4.8? What about a join of 4.8? What if the source is
>>> upgraded in place first?
>>>
>>> Can you pin anything down in particular about it?
>>>
>>> I would be very surprised if a 4.8 -> 4.8 join fails, as that is
>>> extensively tested in the selftest, but the more clues we get and the
>>> shorter the steps to reproduce the easier it will be to work this out.
>>>
>>> Thanks,
>>>
>>> Andrew Bartlett
>>>
>>> --
>>> Andrew Bartlett http://samba.org/~abartlet/
>>> Authentication Developer, Samba Team http://samba.org
>>> Samba Developer, Catalyst IT http://catalyst.net.nz/services/samba
>>>
>>
>>
> --
> Andrew Bartlett http://samba.org/~abartlet/
> Authentication Developer, Samba Team http://samba.org
> Samba Developer, Catalyst IT http://catalyst.net.nz/services/samba
>
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