Go to: In the connection windows highlight the RDP-Tcp connection, right-click and choose properties Go to the Client settings Tab.
v Center Server should also be upgraded to 5.5 Update 1 or later.
Virtual machines that are compatible with ESX 3.x and later (hardware version 4) are supported with ESXi 5.5 Update 3.
Virtual machines that are compatible with ESX 2.x and later (hardware version 3) are not supported.
It might still function on ESXi 5.5.x, but the device is not supported on ESXi 5.5.x.
For a list of devices that have been deprecated and are no longer supported on ESXi 5.5.x, see the VMware Knowledge Base article To determine which guest operating systems are compatible with v Sphere 5.5 Update 3b, use the ESXi 5.5 Update 3 information in the VMware Compatibility Guide.