Palm Treo 700wx/Windows Mobile 5/Windows Vista Home Premium x86/Window Mobile Device Center 6.1/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.