Depending on the PresentRule and EnableRule settings, applications defined in the General Context will appear in the Tools menu above the separator line; applications defined in a specific context will appear below the separator line when the MDI window corresponding to that context is active.
SMS forms a command line from the application's Registry information and passes the command to the underlying operating system for execution. If SMS cannot form the command line, the launch fails and a message box appears describing the problem.
If an application fails to execute for any reason, a message box appears with information that allows you to determine the cause of the failure.