You work as the network administrator at ESL, Ltd. The company’s network consists of a server that runs Microsoft Virtual Server 2005 and host twenty virtual machines and all virtual machines run Windows Server 2003. Currently, you deploy a server named Server5 that runs Windows Server 2008. Server5 has installed the Hyper-V server role. Now, you must find a solution to migrate the virtual machines from the virtual server host to Server5, and your solution must meet the following requirements after the migration: Allow the addition of SCSI controllers to the virtual machine; Allow the Hyper-V Virtual Machine Management service to shut down the operating system Then what should you do before you migrate the virtual machines to Server5?