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802.x authentication issue after install XP Sp3

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802.x authentication issue after install XP Sp3

Postby guest » Sat Jun 07, 2008 9:07 pm

your customer is using wired network connection with IEEE 802.1X and
EAP-TLS authentication (Smart Card or other Certificate). Computer-only
authentication is used. On XP SP2, you need to change the AuthMode key
value to enable the computer-only authentication. In Vista and XP SP3, the
setting needs to be defined in the network connection profile. After you
modify the XML file, the authentication works in XP SP3 but the connection
gets disconnected after 1 to 2 minutes. In Vista, the authentication still
fails.

Based on my research, the problem may also be related to the SupplicantMode
setting. Like the AuthMode setting, it is configured by registry value in
XP SP2. In XP SP3 and Vista, it is also defined in the network connection
profile. I suggest you use the similar method to modify the SupplicantMode
setting to test the issue:

1. Run "netsh lan export profile" command to export the network connection
profile to an XML file.
2. Open the XML file using Notepad.
3. Locate the following entry:

<supplicantMode>compliant</supplicantMode>

The SupplicantMode values in XP SP3 and Vista are corresponding to those in
XP SP2 as following:

inhibitTransmission 1
includeLearning 2
compliant 3

4. Modify the <supplicantMode> line as below:

Note: Please test both the settings.

<supplicantMode>inhibitTransmission</supplicantMode>

or <supplicantMode>includeLearning</supplicantMode>

5. Run the "netsh lan add profile filename=<PathofXMLFile>" command to add
the profile.

For more information, please refer to the following link:
http://msdn.microsoft.com/en-us/library/ms706538(VS.85).aspx
Tablet and Smartphone Setup Guide
http://www.quicksetupguide.com

Troubleshooting Vista Wireless
http://chicagotech.net/
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