[Samba] Samba Member NT_STATUS_NETWORK_SESSION_EXPIRED

Fri Sep 30 07:03:07 UTC 2016

hi,

now i have changes the realm from hq.kontrast to HQ.KONTRAST

Restart samba and winbind on all DCs and Members

But thats same issue. Lost connection to DCs and need to Restart winbind on my Member.

my DCs have also the krb.conf like this. is it correct?

> [libdefaults]
>   default_realm = HQ.KONTRAST
>   dns_lookup_realm = false
>   dns_lookup_kdc = true

OLIVER WERNER
Systemadministrator

> Am 28.09.2016 um 16:08 schrieb Oliver Werner via samba <samba at lists.samba.org>:
> 
> Hi Louis,
> 
> Thanks for your feedback.
> 
> My krb.conf looks like:
> 
> [libdefaults]
>   default_realm = HQ.KONTRAST
>   dns_lookup_realm = false
>   dns_lookup_kdc = true
> 
> 
> So i change now in smb.conf in UPPER Case and will check this.
> 
> Thx
> OLIVER WERNER
> Systemadministrator
> 
> 
>> Am 28.09.2016 um 16:05 schrieb L.P.H. van Belle via samba <samba at lists.samba.org <mailto:samba at lists.samba.org>>:
>> 
>> Hi Oliver , 
>> 
>> If you config is still the samba as i found in the list. 
>> 
>> On the member server, in smb.conf 
>> Change : realm = hq.kontrast 
>> To 	 : realm = HQ.KONTRAST
>> 
>> And whats in the krb5.conf of the member server? 
>> 
>> 
>> Greetz, 
>> 
>> Louis
>> 
>> 
>>> -----Oorspronkelijk bericht-----
>>> Van: samba [mailto:samba-bounces at lists.samba.org <mailto:samba-bounces at lists.samba.org> <mailto:samba-bounces at lists.samba.org <mailto:samba-bounces at lists.samba.org>>] Namens Oliver Werner via
>>> samba
>>> Verzonden: woensdag 28 september 2016 15:54
>>> Aan: Oliver Werner
>>> CC: samba at lists.samba.org <mailto:samba at lists.samba.org> <mailto:samba at lists.samba.org <mailto:samba at lists.samba.org>>
>>> Onderwerp: Re: [Samba] Samba Member NT_STATUS_NETWORK_SESSION_EXPIRED
>>> 
>>> Any Ideas what i can test for fix the problem with kerberos…?
>>> 
>>> 
>>> 
>>> 
>>>> Am 27.09.2016 um 09:05 schrieb Oliver Werner via samba
>>> <samba at lists.samba.org <mailto:samba at lists.samba.org>>:
>>>> 
>>>> Hi Rowland,
>>>> 
>>>> i have tested unjion and join again the member. But that looks not
>>> better :/. Any ideas?
>>>> 
>>>> Best wishes
>>>> OLIVER WERNER
>>>> Systemadministrator
>>>> 
>>>> 
>>>> 
>>>>> Am 23.09.2016 um 14:38 schrieb Oliver Werner via samba
>>> <samba at lists.samba.org <mailto:samba at lists.samba.org> <mailto:samba at lists.samba.org <mailto:samba at lists.samba.org>> <mailto:samba at lists.samba.org <mailto:samba at lists.samba.org><mailto:samba at lists.samba.org <mailto:samba at lists.samba.org>>>>:
>>>>> 
>>>>> Yes the file /etc/krb5.keytab is exists.
>>>>> 
>>>>> You mean this lines?
>>>>> 
>>>>>    dedicated keytab file = /etc/krb5.keytab
>>>>>    kerberos method = secrets and keytab
>>>>>    winbind refresh tickets = yes
>>>>> 
>>>>> there was edits when i join the system.
>>>>> OLIVER WERNER
>>>>> Systemadministrator
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>>> Am 23.09.2016 um 08:55 schrieb Rowland Penny via samba
>>> <samba at lists.samba.org <mailto:samba at lists.samba.org> <mailto:samba at lists.samba.org <mailto:samba at lists.samba.org>> <mailto:samba at lists.samba.org <mailto:samba at lists.samba.org><mailto:samba at lists.samba.org <mailto:samba at lists.samba.org>>>
>>> <mailto:samba at lists.samba.org <mailto:samba at lists.samba.org> <mailto:samba at lists.samba.org <mailto:samba at lists.samba.org>> <mailto:samba at lists.samba.org <mailto:samba at lists.samba.org><mailto:samba at lists.samba.org <mailto:samba at lists.samba.org>>>>>:
>>>>>> 
>>>>>> On Fri, 23 Sep 2016 07:25:40 +0200
>>>>>> Oliver Werner <oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de>>
>>> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de>>> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de><mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de>>
>>> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de>>>> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de><mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de>>
>>> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de>>> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de><mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de>>
>>> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de> <mailto:oliver.werner at kontrast.de <mailto:oliver.werner at kontrast.de>>>>>> wrote:
>>>>>> 
>>>>>>> hi,
>>>>>>> 
>>>>>>> now after 10 hours my samba has the next crash and need to restart
>>>>>>> winbind.
>>>>>>> 
>>>>>>> Here are the list/kinit:
>>>>>>> 
>>>>>>> # before kinit
>>>>>>> pl0024:~# klist
>>>>>>> klist: Credentials cache file '/tmp/krb5cc_0' not found
>>>>>>> pl0024:~# kinit Administrator
>>>>>>> Password for Administrator at HQ.KONTRAST <mailto:Administrator at HQ.KONTRAST> <mailto:Administrator at HQ.KONTRAST <mailto:Administrator at HQ.KONTRAST>>:
>>>>>>> pl0024:~# klist
>>>>>>> Ticket cache: FILE:/tmp/krb5cc_0
>>>>>>> Default principal: Administrator at HQ.KONTRAST <mailto:Administrator at HQ.KONTRAST> <mailto:Administrator at HQ.KONTRAST <mailto:Administrator at HQ.KONTRAST>>
>>>>>>> 
>>>>>>> Valid starting       Expires              Service principal
>>>>>>> 23.09.2016 07:21:04  23.09.2016 17:21:04
>>>>>>> krbtgt/HQ.KONTRAST at HQ.KONTRAST <mailto:krbtgt/HQ.KONTRAST at HQ.KONTRAST> <mailto:krbtgt/HQ.KONTRAST at HQ.KONTRAST <mailto:krbtgt/HQ.KONTRAST at HQ.KONTRAST>> renew until 24.09.2016 07:20:56
>>>>>>> 
>>>>>>> thats the only one kerberos cache file in /tmp right now.
>>>>>>> 
>>>>>>> looks like kerberos does not renew the ticket :(?
>>>>>>> OLIVER WERNER
>>>>>>> Systemadministrator
>>>>>>> 
>>>>>> 
>>>>>> failing after 10hrs is very probably kerberos related, you should have
>>>>>> a kerberos cache in /tmp for the machine. Does /etc/krb5.keytab exist
>>> ?
>>>>>> Did you have the kereberos lines in smb.conf when you joined the
>>>>>> machine ?
>>>>>> 
>>>>>> Rowland
>>>>>> 
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