In your environment, each client computer has one of the following operating systems installed:
Windows XP Professional with Service Pack 2 Windows Vista Enterprise You install Microsoft System Center Desktop Error Monitoring (DEM). You need to be able to monitor errors that are logged by all client computers.
What should you do?

A.
Modify the View Scope for all client computers by using the DEM console.

B.
Enable error notification for all client computers by using a Group Policy object (GPO).

C.
Install Service Pack 3 on all Windows XP computers.

D.
Upgrade all Windows XP computers to Windows Vista Enterprise.