Run Windows Update on the host to ensure that the latest Hyper-V or Virtual Server updates are installed. 2) Ensure that ...

1) Run Windows Update on the host to ensure that the latest Hyper-V or Virtual Server updates are installed.
2) Ensure that the required Hyper-V update (KB956589) is installed on the Hyper-V host. You can download this update from http://go.microsoft.com/fwlink/?LinkID=113199.
3) Ensure that the required Background Intelligent Transfer Service (BITS) update (KB956774) is installed on the Hyper-V host. You can download this update from http://go.microsoft.com/fwlink/?LinkId=142906.