I recomend that you read through this email and follow its instructions:

That should solve the problem permanently.

I personally like having my own per-user krb5.ini. I can fix
configuration problems on machines where I am just a user and do not
have admin access.

"Christian Weiß" wrote:
> Hello Christopher,
> that's it! Thank you for your really fast and helpful answer. Even
> better it would be if KfW would fall back to the 'krb5.ini' in
> c:\windows if there is none in c:\dokuments and
> settings\user\windows. Then you wouldn't have to put it into every
> user's profile folder...
> Christian