You are currently offline, waiting for your internet to reconnect

COM Port Missing from List of Available Ports When You Try to Install a New Modem

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article was previously published under Q283412
SYMPTOMS
While you are using the Add Hardware Wizard to install a new modem, you may find that one of your COM ports is not in the list of available COM ports.
CAUSE
This behavior can occur if another program or service is holding that COM port open.
WORKAROUND
To work around this behavior, quit the program or service that is holding the COM port open, and then run the Add Hardware Wizard again.
STATUS
This behavior is by design.
Properties

Article ID: 283412 - Last Review: 12/01/2007 02:18:05 - Revision: 1.4

  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Professional x64 Edition
  • kbhardware kbnetwork kbprb KB283412
Feedback