If you are like me and have mainly worked in small businesses then you may not have had the chance to setup a failover clustering environment. We've read all about it and how wonderful it is to have it, but unfortunately a lot of the times, the money is spent on more important things like staff salary and trying to keep the business afloat. Well, I am happy to say with the client I am working for right now, they have a very good failover clustering Hyper-V environment running on top of Windows Server 2012 R2 Datacentre attached to an EMC VNX 5300 SAN. The guy who set it up unfortunately no longer works there. To cut a long story short, I needed to move a VM to another node (another host in the cluster). With failover clustering being used for Hyper-V you need to run the Failover Cluster Manager to manage the VMs. You don't use the Hyper-V Manager, even though you can start it up and see the virtual machines. You can change some settings with Hyper-V Manager, but the reco...