You need to change the HR application server environment

You need to change the HR application server environment. What should you do?

A.
Use Microsoft Virtual Machine Converter 3.0 to convert DAL-APPSERVER2.

B.
Use Virtual Machine Manager to convert DAL-APPSERVER2.

C.
Use Microsoft Virtual Machine Converter 3.0 to convert DAL-APPSERVER1.

D.
Use Virtual Machine Manager to convert DAL-APPSERVER1.