You use Hyper-V Manager to create a new virtual machine named VM1. VM1 has the configuration shown in the following display.
You start VM1 and begin installing Windows Server 2008 R2 from a DVD. An error message appears, and you are unable to complete Windows Setup.
You need to be able to install Windows Server 2008 R2 on VM1.
What should you do?

A.
Move VM1.vhd to IDE Controller 0.

B.
Increase the Memory setting to 2048 MB.

C.
Change the BIOS setting to Boot from IDE.

D.
Change the Processor setting to 1 Virtual processor.