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Re: [Samba] Unable to successfully join Samba 4.8.0 or Windows 2008 R2 to a Samba 4.6.7 DC




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@xxxxxxxxx> 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@xxxxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxxxx>
>    Reviewed-by: Douglas Bagnall <douglas.bagnall@xxxxxxxxxxxxxxx>
>    Reviewed-by: Andrew Bartlett <abartlet@xxxxxxxxx>
> 
> 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@xxxxxxxxx> 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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