Configuring Remote Management of Hyper-V Server - in a workgroup

Normally it is not possible to manage your Hyper-V server from a remote console.
Here is how you should do it:
http://blogs.msdn.com/b/virtual_pc_guy/archive/2010/11/11/configuring-remote-management-of-hyper-v-server-in-a-workgroup.aspx