The support for Windows Server 2012 guest OSs has been expanded by Microsoft. On the server OS side the changes are mostly on the Linux side; OpenSuse and Ubuntu are now listed as supported. Previously they were not supported but they worked.
Guest operating system (server) |
Maximum number of virtual processors |
Notes |
Windows Server 2012 |
64 |
Integration services do not require a separate installation because they are built-in. |
Windows Server 2008 R2 with Service Pack 1 (SP 1) |
64 |
Datacenter, Enterprise, Standard and Web editions. Install the integration services after you set up the operating system in the virtual machine. |
Windows Server 2008 R2 |
64 |
Datacenter, Enterprise, Standard and Web editions. Upgrade the integration services after you set up the operating system in the virtual machine. |
Windows Server 2008 with Service Pack 2 (SP 2) |
8 |
Datacenter, Enterprise, Standard and Web editions (32-bit and 64-bit). Install the integration services after you set up the operating system in the virtual machine. |
Windows Home Server 2011 |
4 |
Edition information is not applicable. Install the integration services after you set up the operating system in the virtual machine. |
Windows Small Business Server 2011 |
Essentials edition – 2 Standard edition – 4 |
Essentials and Standard editions. Install the integration services after you set up the operating system in the virtual machine. |
Windows Server 2003 R2 with Service Pack 2 (SP2) |
2 |
Standard, Web, Enterprise, and Datacenter editions (32-bit and 64-bit). Install the integration services after you set up the operating system in the virtual machine. |
Windows Server 2003 with Service Pack 2 |
2 |
Standard, Web, Enterprise, and Datacenter editions (32-bit and 64-bit). Install the integration services after you set up the operating system in the virtual machine. |
CentOS 5.7 and 5.8 |
64 |
Download and install Linux Integration Services Version 3.4 for Hyper-V. |
CentOS 6.0 – 6.3 |
64 |
Download and install Linux Integration Services Version 3.4 for Hyper-V. |
Red Hat Enterprise Linux 5.7 and 5.8 |
64 |
Download and install Linux Integration Services Version 3.4 for Hyper-V. |
Red Hat Enterprise Linux 6.0 – 6.3 |
64 |
Download and install Linux Integration Services Version 3.4 for Hyper-V. |
SUSE Linux Enterprise Server 11 SP2 |
64 |
Integration services do not require a separate installation because they are built-in. |
Open SUSE 12.1 |
64 |
Integration services are built-in and do not require a separate download and installation. |
Ubuntu 12.04 |
64 |
Integration services are built-in and do not require a separate download and installation. |
Note that Linux (physical or virtual) requires numa=off in the grub file if you have more than 7 CPUs or 30 GB RAM in the (virtual) machine. That’s a Linux thing, not a Hyper-V or virtualisation thing.
The client OS list now is:
Guest operating system (client) |
Maximum number of virtual processors |
Notes |
Windows 8 |
32 |
Integration services do not require a separate installation because they are built-in. |
Windows 7 with Service Pack 1 (SP 1) |
4 |
Ultimate, Enterprise, and Professional editions (32-bit and 64-bit). Upgrade the integration services after you set up the operating system in the virtual machine. |
Windows 7 |
4 |
Ultimate, Enterprise, and Professional editions (32-bit and 64-bit). Upgrade the integration services after you set up the operating system in the virtual machine. |
Windows Vista with Service Pack 2 (SP2) |
2 |
Business, Enterprise, and Ultimate, including N and KN editions. Install the integration services after you set up the operating system in the virtual machine. |
Windows XP with Service Pack 3 (SP3) |
2 |
Professional. Install the integration services after you set up the operating system in the virtual machine. |
Windows XP x64 Edition with Service Pack 2 (SP 2) |
2 |
Professional. Install the integration services after you set up the operating system in the virtual machine. |
You can see the supported list of guest OSs for the legacy versions of Hyper-V (2008, 2008 R2) here.
can we install W2K12R2 OS in guest VM on W2k8R2 hyper-V hosts?
http://lmgtfy.com/?q=windows+server+2008+r2+hyper+v+supported+guest+os