Hyper-V is Hypervisor-based virtualization technology from Microsoft. It is available both as Windows Server role (starting with Windows Server 2008) and as a free stand-alone product called Microsoft  Hyper-V Server.

Following is a list of Hyper-V-related topics in TechNet Wiki.

General information

Hyper-V / hypervisor Concepts

Hyper-V Resources

Technical Information

Troubleshooting

To find out more about Hyper-V portal, click here.