You are evaluating whether to purchase Windows Server 2008 R2 Service Pack 1 (SP1). Several
weeks ago, you installed Windows Server 2008 R2 SP1 on a server. During the installation, you did
not enter a product key. You need to identify how many days remain until the license status of the
server will change to Unlicensed. Which tool should you use?

A.
System Configuration

B.
Windows Activation

C.
Action Center

D.
Act.exe

Explanation:
Ref: http://www.windowsvalley.com/is-windows-activated-check-windows- activation-status/