[Samba] Server GC/name.dom/dom is not registered with our KDC: Miscellaneous failure (see text): Server (GC/name/dom at DOM) unknown

Sven Schwedas sven.schwedas at tao.at
Tue Sep 5 13:33:45 UTC 2017


On 2017-09-05 14:40, L.P.H. van Belle wrote:
> Ah.. I had a "member break down" ..  
> 
> Out of the blue,.. Kerberos problem, but pretty simple to fix. 
> 
> kinit Administrator 

Works on all DCs.

> Check your spn of the ad server with :  
> samba-tool spn list DC_HOSTNAME$
>
> Check keytab 
> klist -ke /var/lib/samba/private/secrets.keytab

Outputs attached. graz-dc-1b is the one making trouble, graz-dc-sem is
the FSMO role holder.

Keytabs look reasonable, as far as I can see, but why does graz-dc-sem
have the same SPN output as graz-dc-1b in addition to its own?

> Can you check this. 
> 
> Greetz, 
> 
> Louis
> 
> 
>> -----Oorspronkelijk bericht-----
>> Van: samba [mailto:samba-bounces at lists.samba.org] Namens Sven 
>> Schwedas via samba
>> Verzonden: dinsdag 5 september 2017 14:28
>> Aan: samba at lists.samba.org
>> Onderwerp: [Samba] Server GC/name.dom/dom is not registered 
>> with our KDC: Miscellaneous failure (see text): Server 
>> (GC/name/dom at DOM) unknown
>>
>> Today's episode of "why is AD break", brought to you by:
>>
>>> [2017/09/05 10:17:06.015617,  3] 
>> ../source4/auth/gensec/gensec_gssapi.c:613(gensec_gssapi_update)
>>>   Server GC/graz-dc-1b.ad.tao.at/ad.tao.at is not 
>> registered with our 
>>> KDC:  Miscellaneous failure (see text): Server 
>>> (GC/graz-dc-1b.ad.tao.at/ad.tao.at at AD.TAO.AT) unknown
>>> [2017/09/05 10:17:06.015717,  0] 
>> ../source4/librpc/rpc/dcerpc_util.c:745(dcerpc_pipe_auth_recv)
>>>   Failed to bind to uuid e3514235-4b06-11d1-ab04-00c04fc2dcd2 for 
>>>
>> ncacn_ip_tcp:192.168.17.66[1024,seal,krb5,target_hostname=bcffbad8-1ad
>>>
>> d-46b9-bf69-90e52c0f09ea._msdcs.ad.tao.at,target_principal=GC/graz-dc-
>>>
>> 1b.ad.tao.at/ad.tao.at,abstract_syntax=e3514235-4b06-11d1-ab04-00c04fc
>>> 2dcd2/0x00000004,localaddress=192.168.16.213] 
>>> NT_STATUS_INVALID_PARAMETER
>>> [2017/09/05 10:17:06.015869,  4] 
>> ../source4/dsdb/repl/drepl_notify.c:196(dreplsrv_notify_op_callback)
>>>   dreplsrv_notify: Failed to send DsReplicaSync to 
>>> bcffbad8-1add-46b9-bf69-90e52c0f09ea._msdcs.ad.tao.at for 
>>> DC=ad,DC=tao,DC=at - NT_STATUS_INVALID_PARAMETER : 
>> WERR_INVALID_PARAM
>>
>> The few google results for this seem to indicate DNS issues, 
>> but I'm not sure where those should come from. The servers in 
>> question resolve graz-dc-1b.ad.tao.at as well as 
>> bcffbad8-1add-46b9-bf69-90e52c0f09ea._msdcs.ad.tao.at to the 
>> correct IP.
>> Same goes for _kerberos.* and the other SRV records in 
>> _msdcs. and the AD domain itself.
>>
>> Any ideas where else to look?
>>
>> --
>> Mit freundlichen Grüßen, / Best Regards, Sven Schwedas, 
>> Systemadministrator Mail/XMPP sven.schwedas at tao.at | Skype 
>> sven.schwedas TAO Digital | Lendplatz 45 | A8020 Graz 
>> https://www.tao-digital.at | Tel +43 680 301 7167
>>
>> --
>> To unsubscribe from this list go to the following URL and read the
>> instructions:  https://lists.samba.org/mailman/options/samba
>>
> 

-- 
Mit freundlichen Grüßen, / Best Regards,
Sven Schwedas, Systemadministrator
Mail/XMPP sven.schwedas at tao.at | Skype sven.schwedas
TAO Digital | Lendplatz 45 | A8020 Graz
https://www.tao-digital.at | Tel +43 680 301 7167
-------------- next part --------------
Keytab name: FILE:/var/lib/samba/private/secrets.keytab
KVNO Principal
---- --------------------------------------------------------------------------
   2 HOST/graz-dc-1b at AD.TAO.AT (des-cbc-crc)
   2 HOST/graz-dc-1b.ad.tao.at at AD.TAO.AT (des-cbc-crc)
   2 GRAZ-DC-1B$@AD.TAO.AT (des-cbc-crc)
   2 HOST/graz-dc-1b at AD.TAO.AT (des-cbc-md5)
   2 HOST/graz-dc-1b.ad.tao.at at AD.TAO.AT (des-cbc-md5)
   2 GRAZ-DC-1B$@AD.TAO.AT (des-cbc-md5)
   2 HOST/graz-dc-1b at AD.TAO.AT (arcfour-hmac)
   2 HOST/graz-dc-1b.ad.tao.at at AD.TAO.AT (arcfour-hmac)
   2 GRAZ-DC-1B$@AD.TAO.AT (arcfour-hmac)
   2 HOST/graz-dc-1b at AD.TAO.AT (aes128-cts-hmac-sha1-96)
   2 HOST/graz-dc-1b.ad.tao.at at AD.TAO.AT (aes128-cts-hmac-sha1-96)
   2 GRAZ-DC-1B$@AD.TAO.AT (aes128-cts-hmac-sha1-96)
   2 HOST/graz-dc-1b at AD.TAO.AT (aes256-cts-hmac-sha1-96)
   2 HOST/graz-dc-1b.ad.tao.at at AD.TAO.AT (aes256-cts-hmac-sha1-96)
   2 GRAZ-DC-1B$@AD.TAO.AT (aes256-cts-hmac-sha1-96)
-------------- next part --------------
graz-dc-1b$
User CN=GRAZ-DC-1B,OU=Domain Controllers,DC=ad,DC=tao,DC=at has the following servicePrincipalName: 
	 HOST/GRAZ-DC-1B
	 HOST/graz-dc-1b.ad.tao.at
	 GC/graz-dc-1b.ad.tao.at/ad.tao.at
	 E3514235-4B06-11D1-AB04-00C04FC2DCD2/bcffbad8-1add-46b9-bf69-90e52c0f09ea/ad.tao.at
	 HOST/graz-dc-1b.ad.tao.at/AD
	 ldap/graz-dc-1b.ad.tao.at/AD
	 ldap/graz-dc-1b.ad.tao.at
	 HOST/graz-dc-1b.ad.tao.at/ad.tao.at
	 ldap/graz-dc-1b.ad.tao.at/ad.tao.at
	 ldap/bcffbad8-1add-46b9-bf69-90e52c0f09ea._msdcs.ad.tao.at
	 ldap/GRAZ-DC-1B
	 RestrictedKrbHost/GRAZ-DC-1B
	 RestrictedKrbHost/graz-dc-1b.ad.tao.at
	 ldap/graz-dc-1b.ad.tao.at/DomainDnsZones.ad.tao.at
	 ldap/graz-dc-1b.ad.tao.at/ForestDnsZones.ad.tao.at
-------------- next part --------------
Keytab name: FILE:/var/lib/samba/private/secrets.keytab
KVNO Principal
---- --------------------------------------------------------------------------
   1 HOST/graz-dc-sem at AD.TAO.AT (des-cbc-crc)
   1 HOST/graz-dc-sem.ad.tao.at at AD.TAO.AT (des-cbc-crc)
   1 GRAZ-DC-SEM$@AD.TAO.AT (des-cbc-crc)
   1 HOST/graz-dc-sem at AD.TAO.AT (des-cbc-md5)
   1 HOST/graz-dc-sem.ad.tao.at at AD.TAO.AT (des-cbc-md5)
   1 GRAZ-DC-SEM$@AD.TAO.AT (des-cbc-md5)
   1 HOST/graz-dc-sem at AD.TAO.AT (arcfour-hmac)
   1 HOST/graz-dc-sem.ad.tao.at at AD.TAO.AT (arcfour-hmac)
   1 GRAZ-DC-SEM$@AD.TAO.AT (arcfour-hmac)
   1 HOST/graz-dc-sem at AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 HOST/graz-dc-sem.ad.tao.at at AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 GRAZ-DC-SEM$@AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 HOST/graz-dc-sem at AD.TAO.AT (aes256-cts-hmac-sha1-96)
   1 HOST/graz-dc-sem.ad.tao.at at AD.TAO.AT (aes256-cts-hmac-sha1-96)
   1 GRAZ-DC-SEM$@AD.TAO.AT (aes256-cts-hmac-sha1-96)
-------------- next part --------------
graz-dc-sem$
User CN=GRAZ-DC-SEM,OU=Domain Controllers,DC=ad,DC=tao,DC=at has the following servicePrincipalName: 
	 HOST/graz-dc-sem.ad.tao.at
	 HOST/graz-dc-sem.ad.tao.at/AD
	 ldap/graz-dc-sem.ad.tao.at/AD
	 GC/graz-dc-sem.ad.tao.at/ad.tao.at
	 ldap/graz-dc-sem.ad.tao.at
	 HOST/graz-dc-sem.ad.tao.at/ad.tao.at
	 ldap/graz-dc-sem.ad.tao.at/ad.tao.at
	 HOST/GRAZ-DC-SEM
	 E3514235-4B06-11D1-AB04-00C04FC2DCD2/160f5a53-5c29-4a83-aeee-6cb1dbabeed7/ad.tao.at
	 ldap/160f5a53-5c29-4a83-aeee-6cb1dbabeed7._msdcs.ad.tao.at
	 ldap/GRAZ-DC-SEM
	 RestrictedKrbHost/GRAZ-DC-SEM
	 RestrictedKrbHost/graz-dc-sem.ad.tao.at
	 ldap/graz-dc-sem.ad.tao.at/DomainDnsZones.ad.tao.at
	 ldap/graz-dc-sem.ad.tao.at/ForestDnsZones.ad.tao.at
	 HOST/graz-dc-1b.ad.tao.at
	 HOST/graz-dc-1b.ad.tao.at/AD
	 ldap/graz-dc-1b.ad.tao.at/AD
	 GC/graz-dc-1b.ad.tao.at/ad.tao.at
	 ldap/graz-dc-1b.ad.tao.at
	 HOST/graz-dc-1b.ad.tao.at/ad.tao.at
	 ldap/graz-dc-1b.ad.tao.at/ad.tao.at
	 E3514235-4B06-11D1-AB04-00C04FC2DCD2/bcffbad8-1add-46b9-bf69-90e52c0f09ea/ad.tao.at
	 ldap/bcffbad8-1add-46b9-bf69-90e52c0f09ea._msdcs.ad.tao.at
	 RestrictedKrbHost/graz-dc-1b.ad.tao.at
	 ldap/graz-dc-1b.ad.tao.at/DomainDnsZones.ad.tao.at
	 ldap/graz-dc-1b.ad.tao.at/ForestDnsZones.ad.tao.at
-------------- next part --------------
Keytab name: FILE:/var/lib/samba/private/secrets.keytab
KVNO Principal
---- --------------------------------------------------------------------------
   1 HOST/villach-dc-bis at AD.TAO.AT (des-cbc-crc)
   1 HOST/villach-dc-bis.ad.tao.at at AD.TAO.AT (des-cbc-crc)
   1 VILLACH-DC-BIS$@AD.TAO.AT (des-cbc-crc)
   1 HOST/villach-dc-bis at AD.TAO.AT (des-cbc-md5)
   1 HOST/villach-dc-bis.ad.tao.at at AD.TAO.AT (des-cbc-md5)
   1 VILLACH-DC-BIS$@AD.TAO.AT (des-cbc-md5)
   1 HOST/villach-dc-bis at AD.TAO.AT (arcfour-hmac)
   1 HOST/villach-dc-bis.ad.tao.at at AD.TAO.AT (arcfour-hmac)
   1 VILLACH-DC-BIS$@AD.TAO.AT (arcfour-hmac)
   1 HOST/villach-dc-bis at AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 HOST/villach-dc-bis.ad.tao.at at AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 VILLACH-DC-BIS$@AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 HOST/villach-dc-bis at AD.TAO.AT (aes256-cts-hmac-sha1-96)
   1 HOST/villach-dc-bis.ad.tao.at at AD.TAO.AT (aes256-cts-hmac-sha1-96)
   1 VILLACH-DC-BIS$@AD.TAO.AT (aes256-cts-hmac-sha1-96)
-------------- next part --------------
villach-dc-bis$
User CN=VILLACH-DC-BIS,OU=Domain Controllers,DC=ad,DC=tao,DC=at has the following servicePrincipalName: 
	 HOST/VILLACH-DC-BIS
	 HOST/VILLACH-DC-BIS.ad.tao.at
	 GC/VILLACH-DC-BIS.ad.tao.at/ad.tao.at
	 E3514235-4B06-11D1-AB04-00C04FC2DCD2/e1569c90-50f9-4bb5-bd85-79145e3ff6fd/ad.tao.at
	 HOST/VILLACH-DC-BIS.ad.tao.at/AD
	 ldap/VILLACH-DC-BIS.ad.tao.at/AD
	 ldap/VILLACH-DC-BIS.ad.tao.at
	 HOST/VILLACH-DC-BIS.ad.tao.at/ad.tao.at
	 ldap/VILLACH-DC-BIS.ad.tao.at/ad.tao.at
	 ldap/e1569c90-50f9-4bb5-bd85-79145e3ff6fd._msdcs.ad.tao.at
	 ldap/VILLACH-DC-BIS
	 RestrictedKrbHost/VILLACH-DC-BIS
	 RestrictedKrbHost/VILLACH-DC-BIS.ad.tao.at
	 ldap/VILLACH-DC-BIS.ad.tao.at/DomainDnsZones.ad.tao.at
	 ldap/VILLACH-DC-BIS.ad.tao.at/ForestDnsZones.ad.tao.at
-------------- next part --------------
Keytab name: FILE:/var/lib/samba/private/secrets.keytab
KVNO Principal
---- --------------------------------------------------------------------------
   1 HOST/villach-dc-sem at AD.TAO.AT (des-cbc-crc)
   1 HOST/villach-dc-sem.ad.tao.at at AD.TAO.AT (des-cbc-crc)
   1 VILLACH-DC-SEM$@AD.TAO.AT (des-cbc-crc)
   1 HOST/villach-dc-sem at AD.TAO.AT (des-cbc-md5)
   1 HOST/villach-dc-sem.ad.tao.at at AD.TAO.AT (des-cbc-md5)
   1 VILLACH-DC-SEM$@AD.TAO.AT (des-cbc-md5)
   1 HOST/villach-dc-sem at AD.TAO.AT (arcfour-hmac)
   1 HOST/villach-dc-sem.ad.tao.at at AD.TAO.AT (arcfour-hmac)
   1 VILLACH-DC-SEM$@AD.TAO.AT (arcfour-hmac)
   1 HOST/villach-dc-sem at AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 HOST/villach-dc-sem.ad.tao.at at AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 VILLACH-DC-SEM$@AD.TAO.AT (aes128-cts-hmac-sha1-96)
   1 HOST/villach-dc-sem at AD.TAO.AT (aes256-cts-hmac-sha1-96)
   1 HOST/villach-dc-sem.ad.tao.at at AD.TAO.AT (aes256-cts-hmac-sha1-96)
   1 VILLACH-DC-SEM$@AD.TAO.AT (aes256-cts-hmac-sha1-96)
-------------- next part --------------
villach-dc-sem$
User CN=VILLACH-DC-SEM,OU=Domain Controllers,DC=ad,DC=tao,DC=at has the following servicePrincipalName: 
	 HOST/VILLACH-DC-SEM
	 HOST/VILLACH-DC-SEM.ad.tao.at
	 GC/VILLACH-DC-SEM.ad.tao.at/ad.tao.at
	 E3514235-4B06-11D1-AB04-00C04FC2DCD2/eb5f9772-cd8f-4cde-9629-f1898c94aedd/ad.tao.at
	 HOST/VILLACH-DC-SEM.ad.tao.at/AD
	 ldap/VILLACH-DC-SEM.ad.tao.at/AD
	 ldap/VILLACH-DC-SEM.ad.tao.at
	 HOST/VILLACH-DC-SEM.ad.tao.at/ad.tao.at
	 ldap/VILLACH-DC-SEM.ad.tao.at/ad.tao.at
	 ldap/eb5f9772-cd8f-4cde-9629-f1898c94aedd._msdcs.ad.tao.at
	 ldap/VILLACH-DC-SEM
	 RestrictedKrbHost/VILLACH-DC-SEM
	 RestrictedKrbHost/VILLACH-DC-SEM.ad.tao.at
	 ldap/VILLACH-DC-SEM.ad.tao.at/DomainDnsZones.ad.tao.at
	 ldap/VILLACH-DC-SEM.ad.tao.at/ForestDnsZones.ad.tao.at


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