WMDC (and ActiveSync 4.5) changed the way it actually connects the
device to the computer. A couple of things to check. One, go to
Start | Settings | Connections. Do you have a USB to PC icon? If so,
select it, and make sure Enable advanced network functionality is
checked. This is not available in all WM5 devices. It was added back
in an AKU upgrade. You may want to check to see if you have the latest
ROM installed on your phone.

If it's checked, do you have the firewall enabled? If so, there are
ports that need enabled for WMDC to see the device.


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jgormlyjr