I’ve been doing a lot of work with Microsoft’s Hyper-V, System Center Virtual Machine Manager (SCVMM), and System Center Operations Manager (SCOM). Hyper-V Manager is the free management tool for Hyper-V virtual machines and, for many situations, it is good enough to administer a very small virtual infrastructure. SCVMM is a broader management solution, and it works with Hyper-V clusters. 
There is a difference between a Hyper-V snapshot and a SCVMM checkpoint. Read this in my latest TechRepublic tip.
Posted by Hyper-V Backups: First impressions « Rickatron Blog on November 16, 2011 at 9:19 am
[...] some rethinking. First of all, these backups and replications are executed without a checkpoint (SCVMM term or snapshot in Hyper-V talk). Once you get your head around Volume Shadow Copy Services (VSS), you’ll quickly see that a few [...]