Applies To: Windows Server 2008, Windows Server 2008 R2 

This article sources from the Virtual PC Guy's blog post. This information is useful for troubleshooting, as well as routine operation.

Hyper-V provide a "Virtual Machine Connection" for interacting with a VM. Virtual Machine Connection is installed automatically when you install the Hyper-V role on a full installation of Windows Server 2008 R2. You also can install it separately on certain versions of Windows. For more information about installing Virtual Machine Connection, see http://go.microsoft.com/fwlink/?LinkId=143558. In Virtual Server this functionality was called "VMRC". 

The Virtual Machine Connection window uses standard Remote Desktop Client (RDC) to connect to the virtual machine. 

NOTE:

Additional considerations (from http://technet.microsoft.com/en-us/library/cc742407.aspx)