u guys are doing this this hardway...i have both my mogul and my touch pro synced to my same desktop and i have no issues...there is an option ON UR PHONE to name ur device...its under setiings/device information...device id...default is like wm_pocketpc....change these on ur device to whatever u want...aslong as both of these on eash phone is different, when u connect each phone to the PC it will know which one is connected by the name u set for that device...hope this helps