Error: 'Revocation information for the security certificate for this site is not available.' when Accessing a Webex Site

Error: 'Revocation information for the security certificate for this site is not available.' when accessing a Webex site.

Error: 'Revocation information for the security certificate for this site is not available.' when accessing a Webex site with Internet Explorer.


Solution:

Follow the steps below to resolve the issue:

Internet Explorer

  1. Launch Internet Explorer.
  2. Go to the Tools menu, then select Internet options.
    • Note: If you do not see the Tools menu, press the Alt + T keys on your keyboard.
       
  3. Go to the Advanced tab.
  4. Scroll down to the Security section.
  5. Check the TLS 1.2 box, then click the OK button.
  6. Exit all instances of Internet Explorer, then open a new copy for the changes to take effect.
Google Chrome
  1. Launch Google Chrome.
  2. Press Alt+F on the keyboard and select Settings.
  3. Scroll down and select Advanced.
  4. Scroll down to the Network section and click on Change proxy settings...
  5. Select the Advanced tab.
  6. Scroll down to Security category, manually check the option box for Use TLS 1.2.
  7. Click OK.

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