The following VMware Servers and management clients are currently supported:
VMware ESX Server version 4.1 Update 3, 5.0 Update 2, and 5.1
VMware ESXi Server version 5.0 Update 2, 5.1 Update 1 and 5.5
VMware vCenter Server version 4.1 Update 2, 5.0, 5.1, and 5.5
VMware vSphere Client version 4.1 Update 2, 5.0, 5.1, and 5.5
VMware vCenter Site Recovery Manager (SRM) 5.0 and 5.1