If you are using Hyper-V there is no way you won’t be using the Hyper-V gadget that is available and has been available for a long time for Windows Vista and now also Windows 7. The gadget lists all your virtual machines and easily let you start, stop, shut down or save the virtual machines.
Download the Hyper-V gadget
About Author
Andreas Stenhall
I'm Andreas Stenhall and my work passion is the Windows client in combination with Microsoft 365 security and management services. I do consulting, I produce and teach my own courses, I lecture and I present and my formal work title is prinicipal workplace advisor and architect at Coligo in Stockholm, Sweden. I'm also proud to be an Microsoft MVP since 2009. I have presented at BUILD, TechEd in the US and Europe and regional TechDays. Follow me on twitter @AndreasStenhall.