What is Hiberfil.sys on Windows 2008 servers?
9:08 AM
Handy Hint
Hey Team,
Ran across this while working on a client ticket. This file usually sits in the root of the drive that stores the OS and can be several GB in size. We don't use the "Hibernate" feature for any of our clients so disabling the hibernate option might be a good option to reclaim some space if its active.
Ran across this while working on a client ticket. This file usually sits in the root of the drive that stores the OS and can be several GB in size. We don't use the "Hibernate" feature for any of our clients so disabling the hibernate option might be a good option to reclaim some space if its active.
- Open a command prompt as Administrator and run...
- powercfg -h off
- This will disable the Hibernate option and also automatically delete the file reclaiming some space.
So What is hiberfil.sys Anyway?
The Hiberfil.sys hidden system file is located in the root folder of the drive where the operating system is installed. The Windows Kernel Power Manager reserves this file when you install Windows. The size of this file is approximately equal to how much random access memory (RAM) is installed on the computer.
The computer uses the Hiberfil.sys file to store a copy of the system memory on the hard disk when the hybrid sleep setting is turned on. If this file is not present, the computer cannot hibernate."Source: http://support.microsoft.com/kb/920730
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