[OpenAFS-devel] windows client: credentials cache i/o operation failed

[Jeffrey Altman]

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Dave:

The krbcc32s.exe is the credential cache.  There will be one per session
logon session including the SYSTEM session.

If you receive the Crdentials cache I/O error that means that
krbcc32s.exe is not running within the current session and the
krb5_32.dll could not start it.  So what version of Kerberos is being
loaded by the process receiving the error?

Jeffrey Altman


Dave Botsch wrote:
> Actually, krbcc32s.exe is running according to the task manager. It's a
> subprocess of winlogon.exe according to Process Explorer. Now, if I start up,
> say, sidecar, a separate copy of the same krbcc32s.exe is started and remains
> after sidecar exits. There doesn't seem to be aby difference in the DLLs loaded
> by the two copies of krbcc32s.exe, both of which are running from the same
> place -- and neither seems to have any MIT dlls loaded, just Microsoft DLLs.
> 
> NetIDMgr.exe is not running at all. If I manually start it, it loads a lot of
> DLLs, some MIT, some Microsoft, and some OpenAFS.
> 
> 
> 
> On Wed, Dec 06, 2006 at 05:24:01PM -0500, Jeffrey Altman wrote:
>> The error means that the CCAPIv2 service krbcc32s.exe is not running
>> and could not be started.   This is probably because of a mixture of
>> Kerberos DLLs from different releases being present.  Check to see
>> if any non KFW DLLs are being loaded by NetIDMgr.exe
>>
>> Jeffrey Altman
>>
>>
>>
>> Dave Botsch wrote:
>>> Hi, there.
>>>
>>> On Windows... KFW 3.1, OAFS 1.5.11, I'm having the following issue w. Kerberos
>>> 5 and afscreds:
>>>
>>> When I put in my uname and pw in the Obtain New Tokens dialog and then click
>>> the magic button, a dialog with the following error appears:
>>>
>>> Unable to obtain tokens: -1765328191 Credentials cache I/O operation failed XXX
>>>
>>> Now, then. If I start either Cornell's kclient (which is linked against an
>>> older version of Kerberos) or the least32 application and then either quit or
>>> leave these applications running, afscreds will work... no more error. So, it
>>> would seem that kclient/leash inits something someplace.
>>>
>>> I've traced down the -1765328191 error as being the return code from the
>>> function pkrb5_cc_resolve() in afskfw.c
>>>
>>> Thoughts?
>>>
>>> thanks.
>>>
> 
> 
> 

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