Today Microsoft has released the RTM version of Hyper-V. To upgrade to RTM, you need to apply KB950050 to the parent partition
AND upgrade/install the RTM Integration Services in each virtual machine.

Download: Hyper-V for Windows Server 2008
64-bit Edition |
32-bit Edition
Download: Hyper-V Remote Management for Windows Vista
64-bit Edition |
32-bit Edition
View:
Microsoft Knowledge Base Article
View:
Original Blog Post
News source:
John Howard
More...