In my team we share the different windows mobile devices we use for testing during development. This means that every time you plug in a device, ActiveSync creates a pop-up for the "Synchronization setup wizard". I'm looking for a way to disable this wizard and connect the phone as "Guest" without having to look around for any irritating pop-ups.
Windows – How to disable the ActiveSync synchronization setup wizard
Wherever you are using Activesync or Mobile Device Centre for Vista
This will ensure only Guest Only connections