By Alessandro Perilli (Virtualization.info)
Microsoft announced that both Citrix platforms, XenServer and Presentation server, will be managed by System Center Virtual Machine Manager (SCVMM). At the same time Citrix announced that its new connection broker, XenDesktop, will support upcoming Hyper-V as virtualization host. Additionally Citrix announced that it's working on a V2V migration tool able to seamlessly move virtual machines between Hyper-V and XenServer.
A major news for Microsoft customers considering that SCVMM will also manage VMware platforms.
Over time it appears evident how the Microsoft strategy is to surround VMware through massive partnerships focused on virtualization: with Novell, with Citrix and recently with Sun. Maybe this is why Oracle CEO says VMware is the next Netscape.

http://www.virtualization.info/2008/01/microsoft-will-manage-xenserver-and.html