To find out who all clients or customers logged in to the Plesk control panel at the moment please follow the following:-
1) Login to Plesk control panel.
2) Go to Home > Active Sessions (in the Additional Tools group). All sessions
including yours will be presented and the following details will be displayed:-
a) Type. A type of control panel user who established the session-
for client.
for domain or Web site owner.
for mailbox owner.
b) Login. The login name the user is logged in as.
c) IP address. The IP address from which the control panel is accessed.
d) Logon time. The date and time when the user logged in to the control panel.
e) Idle time. The time that user was not doing anything in the control panel while
being logged in.
3) To refresh the list of user sessions, click Refresh.
4) To end a user session, select the respective check box and click Remove, then
confirm removal and click OK.