An office building lost power, and the generator started up. Users on several floors have reported their machines will not start, even though the generator is running. A technician works to divert power from other floors until all users are able to work. Which of the following is the BEST solution for the technician to recommend? 

Answer options:

A. Add more redundancy to the power cabling
B. Purchase more battery backups for individual users
C. Implement desktop virtualization
D. Increase the capacity of the backup generator

D