If you login to the viewer for the first time (after installation of Kerio Network Monitor), a special dialog for selection of the adapters, on which the packets will be monitored, is displayed..

Check the checkbox in front of all of the adapters you want to monitor. Usually it should include all the adapters connected to the local network. There is usually no use of monitoring the packets on the adapter connected to the Internet if the network address translation is used (NAT), we can see only the address of the computer, which Kerio Network Monitor is running on.

By pressing the Done button, the settings will be stored and the viewer itself will start. This dialog will not be displayed on any other login. The settings can be, of course, modified in the program.