Client not found in Kerberos database

[Ken Hornstein]

>It looks like you're right! Every time I see this error occur together  
>with a correctly spelled name, it includes one or more leading spaces.  
>However, I find it difficult to imagine that the users are doing this  
>intentionally. Could it be due to a problem with gdm, the display  
>manager being used?

What I would guess is:

- User approaches display where the screen is in power-saving mode
- User hits the space bar to turn on the display
- User types in username/password, not realizing that the space is in
  the username.

--Ken