Microsoft: How to disable hibernation on Windows Server 2008

When Windows Server 2008 is installed, hibernation is enabled by default. Depending on the amount of memory the size of this file is approximately equal to the amount of random access memory (RAM) that is installed on the Server. For a server you want to disable this Vista option.

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 /hibernate off, and then press ENTER.
5. Type exit, and then press ENTER.

If you want to make hibernation available then you can re-enable this vista option.

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 /hibernate on, and then press ENTER.
5. Type exit, and then press ENTER to close the Command Prompt window.

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