An administrator has virtualized a physical server. The application team reports satisfactory performance. The physical machine has been reimaged with a newer operating system. The following day…

An administrator has virtualized a physical server. The application team reports satisfactory performance. The physical machine has been reimaged with a newer operating system. The following day, the application team remembers that the physical server had a dual purpose and uses a proprietary telephony card that connects to the PBX switch. The administrator needs to restore the server to its previous state. Which of the following should the administrator perform?