[Samba] Join AD fails DNS update

Lars Hanke debian at lhanke.de
Tue Jun 24 07:34:43 MDT 2014

This topic has been on the list two years ago, already, but apparently 
to no conclusion.

I'm trying to join a Debian Wheezy machine (Samba 3.6.6) to my freshly 
made backports AD (Samba 4.1.7). This is what I see:

root at samba4:/# net ads join -U Administrator at AD.MICROSULT.DE
Enter Administrator at AD.MICROSULT.DE's password:
Using short domain name -- AD
Joined 'SAMBA4' to realm 'ad.microsult.de'
DNS Update for samba4.ad.microsult.de failed: ERROR_DNS_INVALID_MESSAGE
DNS update failed!
root at samba4:/# host samba4.ad.microsult.de
Host samba4.ad.microsult.de not found: 3(NXDOMAIN)
root at samba4:/# net --version
Version 3.6.6

The old discussion (e.g. 
http://www.spinics.net/lists/samba/msg102650.html) recommended to ignore 
the message, but it stipulates that at least sometimes the client entry 
was added. I didn't see any DNS update so far. I use DLZ like them.

Any idea how to troubleshoot this situation?

Kind regards,
  - lars.

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