When you enable the Hyper-V role on Windows Server 2008 support for sleep / hibernate will be disabled. The reason for this is that supporting these features on a hypervisor based system is incredibly complicated - and Hyper-V is designed to run on servers - where sleep and hibernate are not used.
When you enable the Hyper-V role on Windows Server 2008 support for sleep / hibernate will be disabled. The reason for this is that supporting these features on a hypervisor based system is incredibly complicated - and Hyper-V is designed to run on servers - where sleep and hibernate are not used.