Altora recently published a new eBook and Webinar about Licensing Microsoft Server in virtual Environments. As I can say for now, nearly all of the upcommunig questions I heard so far from my customers and fellows are answered and so I would highly recommend to you.
You can find both, the book and the webinar, when you click here.
For all of you who want to try out Altaro Hyper-V Backup, Altaro offers a fulltime free licences that enables you to backup two VMs per Node. You can download the free edition by clicking on the banner below.