DNS Error joining Samba 3.6.x to samba4 ADS

[Michael Wood]

Hi

On 24 July 2012 17:31, Kahle, Markus <markus.kahle at brueckmann-gmbh.de> wrote:
>
> Hi !
>
> I'm trying to join a samba 3.6.6 Server as a member server to an AD domain
> with samba 4 (version 4.0.0beta5-GIT-867de2f) built today, DNS is
> bind-9.8.3.
> The AD is running with no problems and joining a windows7 client works
> with no problem and DNS got updated.
>
> But when joining the samba4 AD with a samba 3.6.6 server as a member i got
> the following error message:
>
> ---
> [root at underworld2 samba]# net ads join -U Administrator at AD.BEL
> Enter Administrator at AD.BEL's password:
> Using short domain name -- BEL
> Joined 'UNDERWORLD2' to realm 'ad.bel'
> DNS Update for underworld2.ad.bel failed: ERROR_DNS_INVALID_MESSAGE
> DNS update failed!
> ---
>
> And this message in the log of the domain controller:
>
> ---
> Jul 24 16:56:17 uw2 named[19252]: samba_dlz: starting transaction on zone
> ad.bel
> Jul 24 16:56:17 uw2 named[19252]: client 10.0.0.194#47842: updating zone
> 'ad.bel/NONE': update unsuccessful: underworld2.ad.bel/A: 'RRset exists
> (value dependent)' prerequisite not satisfied (NXRRSET)

This means that the server was expecting there NOT to be a DNS entry
for the machine yet, but it found one.  Therefore the "prerequisite"
was "not satisfied" and it refused to add the DNS entry.

> Any hints how to fix this problem ?

Try deleting the DNS entry for the client using samba-tool before
joining and see if that works better.

> Thanks in advance,
>
> Markus

--
Michael Wood <esiotrot at gmail.com>