Windows XP searches for a certificate of authentication when attempting to connect to a wireless network that uses IEEE 802.1X Authentication. IEEE 802.1X authentication is used for wireless Ethernet connections that use EAP-based certificate security. Windows XP enables IEEE 802.1X authentication by default whenever a new wireless connection is added. If the wireless connection you wish to connect to does not use certificate security, you will need to disable this feature by configuring the properties of the wireless network.
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Access the "Control Panel" from the Windows XP "Start" menu and open the "Network Connections" folder. Right-click on the "Wireless Network Connection" icon and select "Properties" from the right-click menu to open the "Wireless Network Connection Properties" dialogue window.
Click on the "Wireless Networks" tab inside the "Wireless Network Connection Properties" dialogue window. Select the wireless network you wish to connect to from the "Preferred Networks" list and click the "Properties" button.
Click on the "Authentication" tab inside of the "Properties" dialogue window and uncheck the box labelled "Enable IEEE 802.1x authentication for this network" to disable IEEE 802.1x authentication to remove it.
Click on the "Connection" tab inside the "Properties" dialogue window and check the box labelled "Connect when this network is in range." Click the "OK" button inside the "Wireless Properties" and "Wireless Network Connections" dialogue windows to save the changes that have been made. Connect to the wireless network. Windows XP will no longer attempt to search for a certificate of authentication while connecting to this wireless network.
Tips and warnings
- Make sure to apply these changes to all wireless networks that do not use certificate security if you are using a computer that connects to more than one wireless network. Otherwise, Windows XP will continue to search for a certificate of authentication while connecting to these wireless networks.
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