"HOW DO I" locate logged on workstations

From: Mark (mfreericks@covantaenergy.com)
Date: 08/19/02 

From: "Mark" <mfreericks@covantaenergy.com>
Date: Mon, 19 Aug 2002 07:55:55 -0700

I have a user that has logged on to the domain from
multiple workstations but they can not remember what other
machine they logged on from. Is there a way to scan the
domain for authenticated users versus going through each
event log in the domain??

Thanks