This action will start a program and run it on the Central Monitoring Service, or on a remote Satellite computer.
The application is started on the specified monitoring computer (where the monitoring service is being run), not on the target computer that is being monitored.
To launch an application on a remote computer, we recommend having the Start Application Action run Microsoft's PsExec, and direct it to launch your target application remotely. More information on PsExec
Replacement variables can optionally be passed on the command line to the program that is being launched.
It is important to remember that the application is being launched by the monitoring service, which quite often runs as a different user account than you. It which might not have the same HKEY_CURRENT_USER registry hive, mapped drives, Internet settings, etc as you do. You can configure the account that the service runs as from Preferences in the Console application, or configure which user is used to monitor a particular computer by right clicking on that computer in the navigation panel and choosing Type & Credentials -> Set Login Credentials.