[Samba] Ghost DNS Entry (WERR_DNS_ERROR_RECORD_ALREADY_EXISTS)

[Sebastian Henrich]

Hi,

good to know that I'm not the only one!

Here it's the same. After rebooting the VM I'm able to ping and resolve the
hostname. Quite strange behavior.

Regards

Sebastian
Am 11.01.2015 21:12 schrieb "Min Wai Chan" <dcmwai at gmail.com>:

> Hi,
>
> I've the same problem but I'm on samba version 4.1.12 and gentoo and also
> using bind backend.
>
> However, my result are a bit different.
> In my case, the entry cannot be seen from RAT nor can i add/delete the
> same name entry (same like you)
>
> However I can still ping or resolve that host name...
>
> That was the strange part...
>
> I would like to know the answer as well.
>
> Regards,
> Min Wai
>
>
> On Mon, Jan 12, 2015 at 3:46 AM, Sebastian Henrich <
> sebastian.henrich at gmail.com> wrote:
>
>> Hallo,
>>
>> I'm using Samba 4 AD in production now for more than a half year. All
>> works great since today. Today I was unable to access my network
>> printer by its hostname. So I looked up his DNS Entry using the
>> Windows DNS-Manager and recognized that the DNS entry for the printer
>> is missing. I tried to readd it, but got the error message that the
>> entry already exists.
>>
>> Next I tried to remove an add the entry using samba-tool. Here is what I
>> did:
>>
>> root at vserver2:~# samba-tool dns query vserver2 int.sebhen.de farbmfp A
>> -U administrator
>> Password for [SEBHEN\administrator]:
>>   Name=, Records=0, Children=0
>>
>> root at vserver2:~# samba-tool dns delete vserver2 int.sebhen.de farbmfp
>> A 192.168.0.52 -U administrator
>> Password for [SEBHEN\administrator]:
>> ERROR: Record does not exist
>>
>> root at vserver2:~# samba-tool dns add vserver2 int.sebhen.de farbmfp A
>> 192.168.0.52 -U administrator
>> Password for [SEBHEN\administrator]:
>> ERROR(runtime): uncaught exception - (9711,
>> 'WERR_DNS_ERROR_RECORD_ALREADY_EXISTS')
>>   File "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py",
>> line 175, in _run
>>     return self.run(*args, **kwargs)
>>   File "/usr/lib/python2.7/dist-packages/samba/netcmd/dns.py", line 1067,
>> in run
>>     0, server, zone, name, add_rec_buf, None)
>>
>> I also restarted Samba and Bind and rebooted the whole VM. Nothing
>> solved the problem. After the reboot I'm able to access the printer
>> again. So it seems that Samba added it to the dns zone again.
>>
>> Does anybody knows this problem and has a solution how to fix it?
>>
>> I'm using Samba version 4.1.6 from the Ubuntu 14.04 repositories. My
>> DNS backend is Bind.
>>
>> Thanks
>>
>>   Sebastian
>> --
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>
>