Activating power management in enterprises: replicating from a template hard drive image
If you replicate hard drives from a template image when you upgrade operating systems and/or roll out new hardware, enabling sleep settings in the template image will ensure that all computers receive these settings.
For detailed, illustrated instructions on manually activating power management settings in the master template hard drive image, select your operating system.
In Windows, network administrators can manage power management settings — and control user privileges for changing power management settings — by using a Local or Domain Group Policy.