In the top pane, the Session Count column displays a count of client connections that the virtual server is maintaining.

In the bottom pane, the Session Count column displays a count of connections to server pools that contain one or more back-end servers.

In some cases, the virtual server maintains a client session even though the client is not requesting data from the back-end server. When this happens, the Session Count column in the bottom pane is 0 even though the Session Count value in the top pane indicates there are one or more current sessions.