This section describes how to resolve IEEE802.1X authentication problems.

For explanations of messages that are not listed here, see "List of Error Messages."

The correct client authentication information (the key pair and certificate, user name and password, and the CA certificate) is not set.

Confirm the set authentication method and authentication information (the key pair and certificate, user name and password, and CA certificate).

The password has expired.

Set a new password.

The specified authentication method of the machine does not match the authentication method of the RADIUS server.

Confirm whether the authentication method specified for the machine and the authentication method specified for the RADIUS server match, and specify the correct authentication method if necessary.

The server certificate sent from the RADIUS server has expired.

Confirm the expiration date for the server certificate of the RADIUS server.

An error occurred when verifying the server certificate sent from the RADIUS server using the CA certificate.

Confirm the contents of the server certificate of the RADIUS server, as well as the CA certification registered on the machine.

The machine failed to analyze the server certificate sent from the RADIUS server.

Confirm the server certificate contents of the RADIUS server.

An error occurred when communicating with the authenticator.

Confirm the authenticator (LAN switch) settings, as well as the RADIUS server settings.

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