You need to remotely manage your Hyper-V server from Windows 7.
Download and install the “Remote Server Administration Tools for Windows 7” from Microsoft. http://www.microsoft.com/downloads/details.aspx?FamilyID=7d2f6ad7-656b-4313-a005-4e344e43997d&displaylang=en
Enable the Hyper-V Tools from “Conrtol Panel>Programs>Turn Windows features on or off” menu:
You should now have a “Hyper-V Manager” shortcut on your Administrative Tools menu.