Windows 2008 drive C

Your drive C on Windows 2008 space is disappearing and you don’t seem to see the files eating up that space.

It is likely  hibernation is turned on and in most cases you don’t need.

Disable it and you will see a change space usage. Actually disabling it removes hiberfil.sys file

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