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How Do I Rectify the Fault That a CA Certificate Error Is Prompted Before 802.1x Authentication Is Performed on a User? |
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1. Fault Symptom A CA certificate error as shown in the following figure is displayed when 802.1x authentication is performed on a user.  2. Possible Causes Step 1. Disable 802.1x authentication. Check whether the connection is successful and whether an address can be obtained. Ensure that the network can be connected normally. Step 2. Use a mobile phone to perform 802.1x authentication. Step 3. Check the system status of the SMP and check whether prompts such as CA certificate expiration are displayed. Step 4. If no exception is found in Steps 1-2. Import the latest CA certificate for authentication. |
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