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[WLC] How to update the expiration date of self-signed certificate for ADMIN using web interface

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Article ID: KB34174 KB Last Updated: 03 May 2019Version: 1.0
Summary:

This article explains how to extend the expiration date of a self-signed certificate for ADMIN using WLC web interface.

Solution:

If the admin certificate expires, you cannot access the WLC and Ringmaster web interfaces. Follow the steps below to extend the expiration date of the self-signed ADMIN certificate.

  1. Log into the Web GUI of the controller:

  2. On the top panel, click Maintain > Update certificates > start

  3. From the drop down list, select “Admin” and click “Next

  4. From the operation drop-down list, select “Generate new keys and install a new self-signed certificate” and click “Next

  5. Select the country name, fill in the certificate data, and click “Create key and certificate” to generate the self-signed admin certificate.


  6. To verify the expiration date of the admin certificate, login into CLI of the WLC and enter the command, #show crypto certificate admin

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