Could not perform IEEE 802.1X authentication. Check the authentication
settings.
The authentication method set on the machine does not match that set on the RADIUS server.
Check the Authentication Method Set on the RADIUS Server, and Set This Correctly.
Setting IEEE 802.1X(P. 356)
Could not perform IEEE 802.1X authentication. Congure the correct
authentication information.
The authentication method or authentication information of IEEE 802.1X is not set correctly.
Set the Authentication Method and Authentication Information (Keys and Certicates, Password, CA
Certicate) Correctly.
Setting IEEE 802.1X(P. 356)
Managing and Verifying a Key and Certicate(P
. 358)
Could not perform IEEE 802.1X authentication. Congure the information
required for authentication.
The authentication method or authentication information of IEEE 802.1X is not set correctly.
Set the Authentication Method and Authentication Information (Keys and Certicates, Password, CA
Certicate) Correctly.
Setting IEEE 802.1X(P. 356)
Managing and Verifying a Key and Certicate(P
. 358)
Could not perform IEEE 802.1X authentication. No reply from the
destination.
The network connection may have a pr
oblem.
Check the Network Status and Settings.
● Check the Ethernet cable and switch status.
● Check the network key of the wireless LAN router, and congure the settings correctly on the machine.
Could not perform IEEE 802.1X authentication. The authentication server
certicate has e
xpired.
The server certicate sent from the RADIUS server has expired.
Check the Expiry Date of the RADIUS Server.
Setting IEEE 802.1X(P. 356)
Could not perform IEEE 802.1X authentication. The authentication server
certicate is incorrect.
A CA certicate that supports the certicate of the authentication server is not registered to the machine.
Troubleshooting
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