5storvspA storage device in 'COMPUTERNAME' cannot load because it is incompatible with the server virtualization stack. Server version 2.0 Client version 4.2(VMID XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX).This message started occurring after installing Server 2008 R2 onto a Hyper-V host. According to the additional link below from TechNet this can be ignored.