Even after uninstalling the driver software for that, many of the COM ports it created remain and show as in-use. Any other ideas? Sure this is managed in the registry somewhere. I found a work-around. What I ultimately did to clear the offending ports was to assign the port number of COM1 the one real physical COM port to each of the offending port numbers, accept the warning that it was in use, and then, after having assigned it each of the in-use numbers, returned it to COM1.
After that, all COM ports were available. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments via e-mail. This site uses Akismet to reduce spam.
Learn how your comment data is processed. Toggle navigation. Only registered users can comment. I work with a device that connects through COM port via Bluetooth. Everytime I remove and reconnect the device, a new COM port gets created. I even tried clicking on "Show Hidden Devices" under device manager but still nothing shows up. How do I delete the unused COM ports?
This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question Report abuse. Devcon, part of Windows SDK. Is there a command line option to remove the COM ports?
Based on This blog entry. The only thing that actually worked for me is not the intended solution But it fit the case at hand:. The actual value of the registry key in my example can either be read from that key use regedit or calculated from binary:. How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 3 years, 6 months ago. Active 3 years, 6 months ago.
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