[Samba] Authentication to Secondary Domain Controller initially fails when PDC is offline

[Ole Traupe]

Please don't post any sensitive information - even if I forget 
sanitizing it.

This is probably the reason behind it: Our corporate DNS servers hold 
info about our machines. This works together with DHCP. By registering 
the machines I simply prevent any IP conflicts. My domain DNS has 
nothing to do with it. In my domain members (Win clients and Linux 
servers) only my DCs are set as DNS servers and these members don't use 
DHCP.

Within my subnet, I get exactly the same as Rowland reported below.

Ole


Am 07.01.2016 um 10:28 schrieb L.P.H. van Belle:
> Yes, thats exacly what ole must test.
>
> And optionaly the result of :
> dig A internal.domain.tld @IP_DC1
> dig A internal.domain.tld @IP_DC2
>
> Greetz,
>
> Louis
>
>
>> -----Oorspronkelijk bericht-----
>> Van: samba [mailto:samba-bounces at lists.samba.org] Namens Rowland penny
>> Verzonden: donderdag 7 januari 2016 10:20
>> Aan: samba at lists.samba.org
>> Onderwerp: Re: [Samba] Authentication to Secondary Domain Controller
>> initially fails when PDC is offline
>>
>> On 07/01/16 08:45, L.P.H. van Belle wrote:
>>> Hai Ole,
>>>
>>> What does this give you as output?
>>> host bpn.tu-berlin.de
>>>
>>> I assum you dnsdomain name is the same as your REALM_NAME ?
>>>
>>> For me it show the 2 ipadresses of my DC's.
>>> And my MX record.
>>>
>>> Greetz,
>>>
>>> Louis
>>>
>> Hi Louis and Ole, Just for interest I ran 'host bpn.tu-berlin.de' in a
>> terminal, all I get back is:
>>
>> bpn.tu-berlin.de mail is handled by 100 mail.tu-berlin.de.
>>
>> No NS records
>>
>> Yet when I search on my dns/kerberos domain:
>>
>> host samdom.example.com
>> samdom.example.com has address 192.168.0.6
>> samdom.example.com has address 192.168.0.5
>>
>> Rowland
>>
>>
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>
>