Article ID: 315978 - View products that this article applies to.
This article was previously published under Q315978
You may experience one or more of the following symptoms in your peer-to-peer network that includes Windows XP and a router:
ExampleYou have one Windows XP-based computer, and one computer that is running one of the following operating systems:
The problem may occur if your hardware router has a built-in firewall that has closed ports.
To resolve this issue, open the appropriate ports. For information about how to do so, view your router documentation or contact your router manufacturer.
For information about how to contact your router manufacturer, visit the following Microsoft Web site:
For additional information about how to troubleshoot network issues, click the article numbers below to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/314067/EN-US/ )How to Troubleshoot TCP/IP Connectivity with Windows XP
(http://support.microsoft.com/kb/314095/EN-US/ )Troubleshooting Problems Communicating on the Internet
(http://support.microsoft.com/kb/310089/EN-US/ )Troubleshooting Cable Modems
(http://support.microsoft.com/kb/308007/ )How to troubleshoot home networking in Windows XP
(http://support.microsoft.com/kb/308006/EN-US/ )Troubleshooting Internet Connection Sharing in Windows XP
(http://support.microsoft.com/kb/313242/EN-US/ )How to Troubleshoot Wireless Network Connections in Windows XP