[OpenAFS] AFS server key change and windows clients unable to authenticate

[Jeffrey Altman]

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kvno.exe is a part of a KFW 2.6.5 and KFW 3.0 and perhaps earlier
versions.   I don't know what version you have on your machines.

Use klist -e to report the enc-types in use for the tickets
on Windows.

Jeffrey Altman



Renata Maria Dart wrote:
> Thanks for your response Jeff.  Our windows clients do not run
> kerberos.  And the problem exists not only for users who were already
> logged in, but on windows boxes that have just been rebooted, and on a
> windows box that got a brand new install of OpenAFS this morning, so
> existing tokens weren't even part of the picture.  Alf has confirmed
> that he believes the enctypes are not the problem.  He checked what
> kind of ticket he was getting on unix and it reported des-cbc-crc.
> Is kvno part of kerberos for windows?  We looked for it and couldn't
> find it.
> 
> -Renata
> 
> 
> On Tue, 20 Dec 2005, Jeffrey Altman wrote:
> 
>> Are you sure the clients are getting new Kerberos 5 service tickets?
>> If they are still using the service tickets they obtained prior to
>> the upgrade, executing 'aklog' a second or third time will use the
>> same key.
>>
>> Make sure the users are actually obtaining a new TGT before they
>> attempt to obtain the AFS tokens.
>>
>> You can use the "kvno" utility on the clients to find out what the
>> key version number is of the afs service ticket.   Make sure that
>> the key version number matches the one the servers are expecting.
>> Also make sure that the KDC's are not issuing service tickets with
>> enctypes that are not supported by your AFS servers.
>>
>> OpenAFS servers prior to 1.4.0 only support DES-CBC-CRC.
>>
>> Jeffrey Altman
>>
>>
> 
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> OpenAFS-info mailing list
> OpenAFS-info@openafs.org
> https://lists.openafs.org/mailman/listinfo/openafs-info
> 


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