For remote managment of Hyper-V host installing the hyper-V manager console can be done in two ways:
On Windows Server 2008 run the command “ocsetup Microsoft-Hyper-V-Management-Clients’. This will only install the console. Make sure the Hyper-V RTM update has been installed before.
On Windows Vista clients, download and install KB952627. (Windows Vista Service Pack 1 Management Tools update for the release version of Hyper-V)