After some investigation, Ryan discovered that one of the CAs had indeed expired, causing the certificate verification to fail. He quickly generated a new certificate and sent it to Alex.
: Go to ~/Library/Application Support/PaloAltoNetworks/GlobalProtect/ and delete files starting with PanPortal* , then restart the GlobalProtect app. globalprotect vpn failed to verify certificate
: The server is not sending the full certificate chain, leaving the client unable to link the site certificate to a trusted root. Troubleshooting Steps Refresh the Connection : Open the GlobalProtect app, click the (three-line menu), and select Refresh Connection to clear stale session data. Check System Time After some investigation, Ryan discovered that one of
: Your device might not trust the Certificate Authority (CA) that issued the VPN's certificate. : The server is not sending the full
Alex checked her laptop's clock and realized it was indeed a few minutes off. She synced her clock with the company's servers, but the error message persisted.