How to disable and re-enable hibernation on a computer that is running Windows (to save disk space on Workstations)

To make hibernation unavailable, follow these steps: 

1. Click Start, and then type cmd in the Start Search box. 
2. In the search results list, right-click Command Prompt, and then click Run as Administrator. 
3. When you are prompted by User Account Control, click Continue. 
4. At the command prompt, type powercfg.exe -h off, and then press Enter. 
5. Type exit, and then press Enter to close the Command Prompt window. 

To make hibernation available, follow these steps: 

1. Click Start, and then type cmd in the Start Search box. 
2. In the search results list, right-click Command Prompt, and then click Run as Administrator. 
3. When you are prompted by User Account Control, click Continue. 
4. At the command prompt, type powercfg.exe -h on, and then press Enter. 
5. Type exit, and then press Enter to close the Command Prompt window.