Source: http://mikepfeiffer.net/2011/04/determine-the-number-of-active-users-on-exchange-2010-client-access-servers-with-powershell/ by MIKE PFEIFFER on APRIL 1, 2011 Looking for a quick way to see how many users are currently connected to each of your Client Access Servers? This might be useful if you want to get a rough idea on load distribution, or when you’re getting ready to drain stop a server in a CAS array prior…