VMware USB key in a 2-node failover cluster

2 hosts, Vcenter, running on version 5.5 and are in a 2-node fail over cluster. Running several VMs, however, one of the client VMs (Windows 7) requires a USB dongle key for licensing to operate a software program.  I can map a USB device to the VM that needs the product key, but if Vcenter decides to move the VM to the 2nd host server within the cluster how do I continue to link the USB device that has the product key associated to the 1st host server? Or, does the current network map from 1st host follow the VM with the product key in question to the 2nd host server?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Firstly a word of caution about USB dongles, and USB support for vSphere. If your USB dongle is not on the supported list, it is NOT supported by VMware, and may not work or function as expected, just because a server has a USB port, and USB passthrough, does not mean the device will function.

If you are referring to vMotion, you need to select the USB over network, and when a VM is moved via vMotion the USB device, connected to existing host will work correctly.


does the current network map from 1st host follow the VM with the product key in question to the 2nd host server?

Yes it does, via network....

BUT, if you are referring to VMware HA, e.g. restart of VMs on another host, when host fails, this would break, because the host is down!

see my EE Article

HOW TO: Add and Connect a USB Device to a Virtual Machine, hosted on VMware vSphere Hypervisor ESX 4.1 ESXi 4.1, ESXi 5.0

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