Pocket PC Bluetooth to USB Sync ErrorProblem: After setting up my Mac Book Pro to sync via Bluetooth with my Pocket PC I could no longer sync via USB connection. I received this error:

Cannot start communications with the desktop computer. The communications port is not available. Another program may be using the port, or it may not be valid.

Quit any programs that may be using the port and reconnect. If the problem persists, restart your device using the instructions provided by the manufacturer.

I could still sync through the Bluetooth sync but USB no longer was active. I thought the issue was with The Missing Sync program I was using to sync my iPAQ pocket PC with Entrourage on my Mac Book Pro but after trying to sync through USB on my Windows XP desktop, I received the same error.

Solution: Change the Pocket PC Sync Manager to sync via USB

Details:
Step 1: Select Active Sync from the Pocket PC Windows Menu

Step 2: Select “Options” from the Tools Menu at the bottom of the screen.
Pocket PC Bluetooth to USB Sync Error Solution Step 2

Step 3: Click the “Options” button.
Pocket PC Bluetooth to USB Sync Error Solution Step 3

Step 4: Select “USB” from the drop down menu on the screen
Pocket PC Bluetooth to USB Sync Error Solution Step 4

Step 5: Plug in your USB cable to your PC and your Pocket PC and sync

The port the error refers to is the Pocket PC’s COM port NOT the port on your Mac (through the Missing Sync) or PC. Whenever you switch back between USB and Bluetooth syncs, just follow these steps again to select your method.

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