How to clear or Reset COM port ?

Repost from : Windows always assign a COM port no (like COM2, COM3 etc) every time you connect a USB device like modem, mobile phone or specially serial to USB convertors to system, and this no goes on increasing as every time you connect device windows reserve that port and next time it assign new number. I recently face some issue because of this, I want to test my new thing magic m5e RFID Reader with BizTalk RFID which is connected to USB of my laptop using a serial to USB convertor, here my system assign a port no … Continue reading How to clear or Reset COM port ?