USB connect to Virtual Machine via ESX Host

I am trying to connect a thermal USB printer to a VM via the physical USB port on the ESX host, but I get an error when I try to print. I have tried every physical USB port on the rear of the mother board (The front does not have any). I have enabled USB on the particular VM as well. The printer is installed and the driver is correct and current. This VM is a P2V conversion that runs correctly except for this issue. I went into “configuration” on the ESX host and attempted to set ‘Pass Through” for the USB(s) and rebooted and but still get the same result. If there is anyone with experience in setting up USB to VM, can you please help me out. This particular printer will not work via map/shared setting

The ESX 4.0 host is built with the following:

Intel DQ57TM mother board
Intel i7 860 processor
2 Intel PRO//1000 PT NIC cards
4 Gig RAM
2 T WD hard disk

Thanks in advance
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Matt VCommented:
Connecting USB devices to the guest operating systems is not supported under VMWare ESX.

See the notes:
I use these devices on a couple of my ESX hosts and they work well.  The 2-port on is suffiecient unless you need to connect more than 2 usb devices to 1 vm.

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