New in Hyper-V Windows Server 2012 R2:
A new generation of Virtual Machine (Generation 2), which will provides the following new features
- Legacy free : IDE drives and legacy network adapter support has been removed
- UEFI based
- Many emulated devices removed
- Boots from virtual SCSI or synthetic network adapters (virtual hard drive,virtual DVD drive).
- UEFI Secure Boot (enabled by default). Secure Boot is a feature that helps prevent unauthorized firmware, operating systems, or UEFI drivers (also known as Option ROMs) from running at boot time. Generation 2 virtual machines can take advantage of Secure Boot
- PXE boot using a standard network adapter. In previous versions of Hyper-V if you wanted to perform a remote installation of the guest operating system via PXE boot, you were required to install a legacy network adapter for PXE boot in addition to the standard network adapter that you would use after the operating system was installed
- UEFI firmware support
Note : The new format is only supported with the following guest OS
- Supported guest operating systems:
- 64-bit versions of Windows 8 and Windows Server 2012
- 64-bit versions of Windows 8.1 and Windows Server 2012 R2
Important : Once a virtual machine has been created, you cannot change its generation. You can host VM’s of different generations type, side by side. For operating systems that are not supported by generation 2 virtual machines, they will need to be installed in a generation 1 virtual machine.
Virtual machine operating system boot time can be up to 20% faster with generation 2 virtual machines.
Installing the guest operating system can be up to 50% faster with generation 2 virtual machines
Enhanced VM Interaction
- Full remote desktop capabilities
- Shared clipboard
- Audio redirection
- Enhanced login
- Enabled even when the network is down
-
Integrated into Hyper-V Management experience
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