The Remote Server Administration Tools (RSAT) for Windows 7 RTM have been released to microsoft.com. These include the Hyper-V tools for remote management of Windows Server 2008 R2 and Microsoft Hyper-V Server 2008 R2.
You can download them from http://www.microsoft.com/downloads/details.aspx?FamilyID=7d2f6ad7-656b-4313-a005-4e344e43997d&displaylang=en – remember to download the right architecture (x86 or x64) as necessary.
Once you install the update, you can enable one or more of the following tools from the Control Panel under Programs, Turn Windows features on or off.
Server Administration Tools:
Role Administration Tools:
Feature Administration Tools: