Cannot exit Snow Leopard Screen Saver with AD credentials

On bound Macs there is a problem where a computer that has been left on, with the screen saver active, for more than 10 hours has its Kerberos ticket expire.  If this happens a user is unable to unlock the screen saver using their AD credentials.

Here is the KB article from Apple on how to fix this problem:

http://support.apple.com/kb/TS3287