Windows 2008 server came with very exciting features and one of them was the by default hibernation. Hibernation on a production server doesn’t make any sense but Microsoft logic, hibernation can take as much as space required by the page file and even greater so it may lead to a complete space blockage at the system drive of server so its better to disable this feature and get everything working in a smooth manner. How you can do this, there is a very simple command which you have to issue on a command prompt only trick that you need on windows 2008 server is to start the command prompt with administrator privileges.
Go to start menu and then go to Command prompt
Right click on the Command Prompt and choose the option Run as Administrator
Open the command prompt and issue the under given command:
powercfg.exe -h off
Here you goes, its done, now you can check that you have some extra Giga bytes available on your system disk.