How to enable Windows Server Backup support for the Hyper-V VSS Writer ?
In order to enable VSS based backups of Hyper-V VMs using Windows Server Backup you must add the following registry keys to register the Hyper-V VSS Writer with Windows Server Backup, Note that the WindowsServerBackup key is not created when installing. This key must be created manually. HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT \CurrentVersion\WindowsServerBackup\Application
Installing Linux Integration Services v2.1 Hyper-V R2 On CentOS 5.x
When installed on a virtual machine that is running a supported Linux operating system, Linux Integration Services for Hyper-V provides the following functionality: Driver support for synthetic devices: Linux Integration Services supports the synthetic network controller and the synthetic storage controller that were developed specifically for Hyper-V. Fastpath Boot Support