Are you talking about doing this within the VM or from the hypervisor layer? If doing this from the hypervisor you will still be backing up the whole VM file, so I don't see this buying you anything.
Maybe I'm just screwing this up, but I don't see how. I have a PC backed up to a VHD file. On a Windows 7 box, I have some version of VMWare, something from within the last year. I can create a new VM ...
After reading my article "Backing Up Live Virtual Server VMs," a couple of administrators asked me if it was possible to back up individual files or folders inside a running Virtual Server 2005 R2 SP1 ...
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