I use Palo Alto Networks GlobalProtect VPN on my Mac at home to VPN into our corporate office. We use two-factor authentication via client certificates, in my case I have a YubiKey USB device that holds the certificate needed for the VPN to connect. Unfortunately, it appears that sporadically the GlobalConnect VPN simply won’t connect, and does not error with a sensible message, after clicking “Connect” it attempts to retrieve configuration before quickly failing silently. …