I had a Palm treo with the same set up as you and the way I made it work via
Bluetooth was not via the Windows mobile center rather via the activesync
using the Bluetooth settings as well as with the Treo (choosing Bluetooth)

"SthrnDixieCwgrl" <kristyjmoore******.com> wrote in message
news:3758ac3b-c1c0-4eda-9c97-8d3c1b779d3c@i76g2000hsf.googlegroups.com...[color=blue]
>I have had this Treo since September 2007. In December 2007 I got a
> new HP Notebook that came with Windows Vista Home Premium x86. I then
> installed WMDC 6.1 and have been able to synchronize the device with
> Windows Vista using the cable with no issues. I recently purchased a
> bluetooth adapter that you stick in the USB port. I installed the
> drivers for it and successfully created a new bluetooth partnership.
> I then deleted the ActiveSync partnership on the device and delete
> the partnership on Windows Mobile Device Center. I did a soft reset
> on the device and restarted the computer. Then I attached the cable
> to the phone and attached the other end to the computer. I did an
> initial sync and established a new partnership. After I did that I
> then disconnected the cable. Then I went to the Windows Mobile Device
> Center to see how to connect using bluetooth. I followed the
> directions and I am unable to connect using bluetooth. What am I
> doing wrong and how do I fix this.[/color]