All servers in your company run Windows Server 2008. All client computers run Windows Vista and Office 2007. Key Management Service (KMS) hosts run Windows Server 2008. All computers are activated by using KMS. You will deploy Windows Server 2008 R2 to all new servers, and you will deploy Windows 7 and Office 2010 to all client computers.

You need to ensure that all KMS hosts can activate all versions of Windows and Office that are used in the company.

What should you do?

A.
Install the Microsoft Office 2010 KMS Host License Pack on the KMS hosts.

B.
Install Volume Activation Management Tool (VAMT) 2.0 on the KMS hosts.

C.
Migrate the KMS hosts to computers that run Windows 7.

D.
Migrate the KMS hosts to computers that run Windows Server 2008 R2.