Yes, Ron Lowe is correct. The 802.1x authentication is for both
wireless and wired connections.
1. Open the Network Connections folder.
2. Right-click the Local Area Network, and then choose Properties.
3. Click the Authentication tab.
The Authentication tab only appears when the Wireless Zero
Configuration service is started even though you are using a wired
connection. Make sure the service is running. If it doesn't appear in
the list then follow the instructions that Ron provided to add the
service using the Registry Editor.
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Eric Cross
Microsoft MVP (Windows Networking)
http://mvp.support.microsoft.com