[Samba] Samba 4: character encoding issue (was: Samba-tool dbcheck shows "incorrect GUID" after update from alpha17 to beta8)

[Michael Wood]

Hi

On 5 October 2012 21:25,  <X-Dimension at gmx.net> wrote:
>
> -------- Original-Nachricht --------
>> Datum: Thu, 4 Oct 2012 12:22:54 +0200
>> Von: Michael Wood <esiotrot at gmail.com>
>> An: Julian Timm <X-Dimension at gmx.net>
>> CC: samba at lists.samba.org
>> Betreff: Re: [Samba] Samba-tool dbcheck shows "incorrect GUID" after update from alpha17 to beta8
>
>> On 4 October 2012 09:46, Julian Timm <X-Dimension at gmx.net> wrote:
>> >
>> > -------- Original-Nachricht --------
>> >> Datum: Wed, 3 Oct 2012 16:56:42 +0200
>> >> Von: Michael Wood <esiotrot at gmail.com>
>> >> An: X-Dimension at gmx.net
>> >> CC: samba at lists.samba.org
>> >> Betreff: Re: [Samba] Samba-tool dbcheck shows "incorrect GUID" after
>> update from alpha17 to beta8
>> >
>> >> On 3 October 2012 16:26,  <X-Dimension at gmx.net> wrote:
>> >> > After updating our Samba4 server from alpha17 to beta8 "samba-tool
>> >> dbcheck" shows 24 "incorrect GUID" errors.
>> >> > What does it mean and what should i do to fix this?
>> >>
>> >> Try samba-tool dbcheck --fix.
>> >>
>> >> Also, why did you not install rc2 instead of beta8?
>> >
>> > I don't want to compile every Samba version for myself, so i'm using
>> > the Zentyal 2.3 PPA. The latest Samba version here is beta8, but rc2
>> packages are in testing and should be available soon.
>> >
>> > After running samba-tool dbcheck --fix the errors still exists, when
>> running dbcheck again.
>>
>> Try posting the errors to the list and maybe someone will be able to
>> say what causes them.
>>
>> --
>> Michael Wood <esiotrot at gmail.com>
>
> Ok, here is an example:
>
> ERROR: incorrect GUID component for member in object CN=Mitarbeiter,OU=Benutzer,DC=test,DC=lan - <GUID=c385ad50-c728-41ba-8b94-22fa07b57b41>;<SID=S-1-5-21-2936403297-3018184044-1011683372-1153>;CN=Max Müller,OU=Benutzer,DC=test,DC=lan
> unable to find object for DN CN=Max Müller,OU=Benutzer,DC=test,DC=lan - (No such Base DN: CN=Max Müller,OU=Benutzer,DC=test,DC=lan)
> Not removing dangling forward link
>
> All of these database errors affecting users who have german umlauts
> in their names like Ä,Ö,Ü.
> These users are also not shown within the Microsoft RSAT AD manager.
> When i add a new user now like "Horst Müller" with the management tool, i get the error that the user could not be verified and can't login, but RSAT still creates the user.
>
> Is there a simple way to correct this problem?

I've copied this to the samba-technical list, since the Samba 4 HOWTO
still says to report successes/failures there.

The problem does look suspiciously like a character encoding issue.

-- 
Michael Wood <esiotrot at gmail.com>