There will be a new product category added to your WSUS server Products and Classifications dialog under the existing System Center Virtual Machine Manager family, titled Microsoft System Center Virtual Machine Manager 2008 R2. This product provides a comprehensive management solution for the virtualized data center that enables centralized management of virtual machine infrastructure. The new category will allow all classifications of updates to be offered to the Microsoft System Center Virtual Machine Manager 2008 R2 product.
This new category should be available in the near future for updates for this product.
--The MU Team