To back up a Windows Azure or Amazon EC2 virtual machine, install a protection agent on the machine. The backup and recovery operations are the same as with a physical machine. Nevertheless, the machine is counted as virtual when you set quotas for the number of machines.
The difference from a physical machine is that Windows Azure and Amazon EC2 virtual machines cannot be booted from bootable media. If you need to recover to a new Windows Azure or Amazon EC2 virtual machine, follow the procedure below.
To recover a machine as a Windows Azure or Amazon EC2 virtual machine