Which program use com1

To check what port is used by what service. You can assign Ports to each device. Visit our Microsoft Answers Feedback Forum and let us know what you think. Was this reply helpful? Yes No. Sorry this didn't help. Thanks for your feedback.

Choose where you want to search below Search Search the Community. When I hook the phone up to the USB cable and then activate the appropriate set-up software I get a message that the software needs access to COM 3, but that another program appears to be using that port. This thread is locked. To participate you need to register. Registration is free. Click here to register now. Register Log in. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.

You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Status Not open for further replies. If you use same com port once and t open the same port the OS will throw error that the port is already open Quick question.

What language are you developing in? If the file has been succesfully opened the function will return a pointer to a FILE object that is used to identify the stream on all further operations involving it. Otherwise, a null pointer is returned. Click to expand Last edited: Jan 25, Print this page. How many UPorts can I connect to a computer or notebook?

How do I change the serial interface settings of the UPort converters in Windows? Contact Moxa Support Still need assistance with your Moxa product? Added To Bag. View Bag. Learn More ok.