C:\Users\administrator>qwinsta /server:server_name
 SESSIONNAME       USERNAME                 ID  STATE   TYPE        DEVICE
 services                                    0  Disc
 console                                     1  Conn
 rdp-tcp#98        user01                    23  Active
 rdp-tcp#91        user02                    39  Active
 rdp-tcp#75        user03                    40  Active
 rdp-tcp#19        user04                    41  Active
 rdp-tcp#26        user05                    42  Active
 rdp-tcp#84        user06                    43  Active
 rdp-tcp#93        user07                    44  Active