Viewing which user is logged onto a computer

The status of a computer shows which user (if any) is logged on to the computer.

To view which user is logged onto a computer

From the left-hand pane, expand Computers and choose All Computers.
From the right-hand pane, right-click the computer and from the menu, choose Properties.
On the General tab, the Status shows which user (if any) is logged on to the computer (Active and in use by <user>) or if a user has locked the computer (Locked by <user>).
Click OK.

Notes

The users logged in to computers are also displayed in the All Computers list.
Computer properties are also available by selecting the computer and choosing in the toolbar, or from the File menu choosing Properties.

View which packages are assigned to a computer
Specify privileged users of a computer