Oct 21, 2015
windows 10 - WIn-10 On Server 2008 R2 Hyper-V - Server Fault As Windows 2008 R2 is already EOL for mainstream support (since January 2015) and extended support is ending on January 2020, and you already have need for Windows 10 guests, you would definitely want to upgrade. In-place upgrade of Hyper-V from 2008R2 to 2012R2 is possible, but you should still be cautious: Before You Upgrade Hyper-V integration components update for Windows virtual Fixes issues in which a VM crashes when the physical adapter on the Hyper-V guest is disabled, and WAL consistency is not maintained for Guest clustered VMs in a shared VHD scenario. These issues occur in Windows Server 2012 R2, Windows Server 2012, and Windows Server 2008 R2.
windows 10 - WIn-10 On Server 2008 R2 Hyper-V - Server Fault
Fixes issues in which a VM crashes when the physical adapter on the Hyper-V guest is disabled, and WAL consistency is not maintained for Guest clustered VMs in a shared VHD scenario. These issues occur in Windows Server 2012 R2, Windows Server 2012, and Windows Server 2008 R2. When converted vhd is attached, hyper-v vm does not boot
Hyper-V is the next level of virtualization, with Windows Server 2008 you no longer need to deploy an application such as Virtual Server 2005 or Virtual PC or other virtualization technology in order to build your virtual machines.
[SOLVED] Upgarde/Move Hyper V 2008R2 to Hyper V 2016