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Certificate work-around for macOS 10.11 and older

These instructions let you use our browser plugins and VPNGUI app on older macOS versions.

  1. Open ~/Applications/Utilities/Keychain Access.app.
  2. From the View menu select Show Expired Certificates.
  3. On the left sidebar choose System Root.
  4. In search bar on the top-right enter DST.
  5. Double-click DST Root CA X3.
  6. In the pop-up, click the Trust drop-down and set When using this certificate to Always Trust.
  7. Close the pop-up and enter your macOS password when prompted.
  8. Restart your browser or VPNGUI app.