A/Sync over Bluetooth 'COM port not available' resolution

[Guest AndyBottomley]

Hi all,

Just in case anyone else is having the same problem....

I had ActiveSync working fine over Bluetooth for a week or so and then all of a sudden (after installing Smartphone SDK, VS.NET etc) it stopped working. I was getting a 'COM port is unavailble/Cannot open COM port' type message when the machine booted. Turned out that in A/Sync config settings the COM port was always defaulting back to COM1. Mine connects on COM3 and no matter what I did the system would always default back to COM1 on boot.

The solution was quite simple - in the registry under HKEY_CURRENT_USERSoftwareMicrosoftWindows CE Services you'll find an entry 'SerialPort' - simply delete/rename this entry and that will fix the problem. The system will then pick up the value from the equivalent area in HKEY_LOCAL_MACHINE (which if you check will be set to the COM port you require).

Hope this helps someone - the problem had me scratching my head for days !

[Guest craigp]

Genius! I've just installed dotNet, etc also ... identical problem.

One less thing to do after each reboot!

Many thanks!! ^_^

Craig

[Guest AndyBottomley]

It's good that you've experienced the problem under the same circumstances (in a perverse kind of way) = I wasn't sure that .NET had caused it but now I am more convinced.

Mods: Don't want to cross-post - maybe this thread should be in the .NET Compact Framework forum ?

[Guest Dr Who]

Mmmmm, must try this. Had a similar problem since sorting out a BT mess caused by an SP2 upgrade. Are you talking about editing the phone or the PC???

[Guest craigp]

Mmmmm, must try this. Had a similar problem since sorting out a BT mess caused by an SP2 upgrade. Are you talking about editing the phone or the PC???

PC ^_^

Works a treat!!