Your company has an Active Directory Domain Services (AD DS) domain. All servers run Windows Server 2008 R2. You activate the Key Management Service (KMS) on a server to handle volume activation for your Windows 7 clien t computers.
Windows 7 client computers are not being activated. The KMS licensing status is shown as Licensed. The Windows Event Log does not contain any corresponding activation - related events.
You need to ensure that the KMS server can activate Windows  7 client computers.
What should you do?（）

Your company has an Active Directory Domain Services (AD DS) domain that runs at the Windows Server 2008 functional level.  All domain controllers run Windows Server 2008 R2 (Core Installation).
You h ave a Remote Desktop Services infrastructure that includes a Remote Desktop Connection Broker (RD Connection Broker) server and aRemote Desktop Session Host (RD Session Host) server in redirection mode.
You configure a virtual machine (VM) as a personal v irtual desktop for an employee. The Personal Virtual Desktop tab is not visible when you display the properties of the employee is user account.
You need to assign a personal virtual desktop to the user account.
What should you do?（）