How to Check the Current OWA/MAPI connection Count on Client Access Servers in MS Exchange 2010

For Checking OWA Connection Count

Get-Counter “MSExchange OWACurrent Unique Users” -ComputerName SERVER1,SERVER2, SERVER3

For Checking MAPI Connection Count

Get-Counter “MSExchange RpcClientAccessUser Count” -ComputerName SERVER1,SERVER2, SERVER3