[OpenAFS] mixed success with (latest) OpenAFS on Windows

[Jeffrey Altman]

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Lars Schimmer wrote:
> Hi!
> 
> I just want to write some experiences I got last weeks.
> First: The PC last mentioned was totaly upset, not AFS fault. Set it up
> completly new.
> Now OpenAFS and MIT krb5 3.1 for windows seems to work.
> For bad sake, users donīt obtain tokens automaticly. I setup krb.ini as
> on other PCs, I setup our cgv.tugraz.at cell as default, all I get is a
> "access error XXX" while trying to logging in (local users).

I assume you mean "krb5.ini" instead of "krb.ini".

In order for a local user account to be used to obtain AFS tokens using
Kerberos v5 during OpenAFS integrated logon:

 * krb5.ini default realm must be the realm the user's principal is
   located within

 * the case of the user's name as entered must match the case of the
   name in the user's principal within the Kerberos database

 * the password used to login locally to the machine must be the same
   as the password used to login to the Kerberos realm for that
   principal

 * there must be a Kerberos service ticket of the form afs@DEFAULT_REALM
   or afs/workstation.cell@DEFAULT_REALM

If any of these requirements are not true you will get an error.  If you
get an error, turn on integrated logon debugging and examine the errors
that are logged to the Windows Application Event Log.

Sending a request for help here without any details as to why things are
failing makes it impossible for anyone to help you.

> After I logged in, sometimes the "get AFS tokens" screen appears,
> sometimes not. If not, I need to start Authentication from start menu to
> grab a token. I donīt know where to step in for better experience on
> that PC.

You have KFW 3.1 installed.  Please configure the Network Identity
Manager for use in obtaining Kerberos v5 credentials and AFS tokens.
It provides a much better experience to end users and better debugging
tools for Help Desks.

NIM is installed with KFW 3.1 and the AFS support for NIM is installed
with OpenAFS 1.5.

> After I/the users got the token, everything works fine so far, even
> Office 2007, no problem.
> Once I had the problem with OpenAFS authentication screen didnīt
> appeared, but I installed some software before and didnīt restarted windows.
> 
> On my vista laptop Iīm nearly depressed.

Not that I believe it is related but be aware that KFW is not supported
on Vista yet.   There are a variety of problems that will be addressed
in the next release.

> I donīt activated "get token at login" and the authentication screen
> appears every time I login and Iīm able to grab a token.
> But after the sleep mode sometimes OpenAFS break down and wonīt come
> back. Even stopping and starting the openafs service doesnīt do
> anything. Only reboot resolves that problem.

File a bug report at openafs-bugs@openafs.org.  Again, you will need to
include useful data in your report as described in the OpenAFS release
notes.  For starters, you need to include the afsd_init.log file and
if you are able to replicate the problem on a regular basis, you should
turn on trace logging "fs trace -on", suspend the laptop, resume the
laptop, and if you experienced the problem, "fs trace -dump" and send
the afsd.log file as well.

> Maybe the wlan drivers are not well enough (sometimes vista doesnīt find
> the net although just 1m away from router), maybe switching wlans in
> sleep mode isnīt best for OpenAFS.

OpenAFS should not care about your wlans.  OpenAFS installs the loopback
adapter and binds to the loopback adapter.  Only if the loopback adapter
does not exist or does not restart after sleep would I expect there to
be a problem.

Jeffrey Altman

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