COM Port Missing from List of Available Ports When You Try to Install a New Modem (283412)


The information in this article applies to:

  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
  • Microsoft Windows XP 64-Bit Edition
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.
Modification Type:MajorLast Reviewed:10/18/2001
Keywords:kbHardware kbnetwork kbprb KB283412
©2002 Microsoft Corporation. All rights reserved.