Backup
Two backup strategies are possible. Administrators can back up data directly from inside each VM using existing backup technologies, in the same way they back up user PCs today. Or, when using Virtual Server 2005 R2 with Service Pack 1, they can use backup software that utilizes the Volume Shadow Copy Service writer to back up the physical host system as well as all VMs running on it—without the need for a backup agent inside each VM.
In the case of a dynamic implementation of Windows Vista Enterprise Centralized Desktop, where no application state is maintained within the virtual machine, a copy of the latest SYSPREP desktop image should be backed up or stored in the System Center Virtual Machine Manager image library for ease of provisioning. This approach reduces the number of backups needed as well as the storage required to maintain VM file backups.
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