The Windows-based operating systems require the Messenger Service to be running for remote notification to even be a possibility. In this exercise, you look to see whether the service is currently running, and then stop and start it (all from the command line).
Estimated Time: 10 minutes.
Open a command-line window. To do so in Windows NT and 2000, select Start, Run, and enter cmd.
Enter the command
This will show, in alphabetic order, all services currently running. The Messenger Service, by default, is automatically started upon boot, so it should appear in the list.
To stop the service, use the command
net stop messenger ...