Exchange User Monitor

Microsoft has a great tool for monitoring which users are causing the most load on your exchange server. This is fantastic for finding out why an exchange mailbox server is running slow.

Download the tool from here:

http://www.microsoft.com/downloads/details.aspx?FamilyID=9A49C22E-E0C7-4B7C-ACEF-729D48AF7BC9&displaylang=en

This is what the tool looks like:



Sort the users by CPU usage to find out the ones having the biggest impact on the server.