Most verification issues stem from one of these four categories:
Old configuration files can sometimes cause persistent errors. globalprotect vpn failed to verify certificate
: The address you typed (e.g., ://company.com ) doesn't match the "Common Name" (CN) or "Subject Alternative Name" (SAN) on the actual certificate. Most verification issues stem from one of these
Open a web browser and navigate to your VPN portal address (e.g., https://example.com ). globalprotect vpn failed to verify certificate
: Delete files starting with PanPortal* in ~/Library/Application Support/PaloAltoNetworks/GlobalProtect/ .
: Your device doesn't recognize the certificate authority (CA) that issued the VPN server's certificate.
: Right-click the clock > Adjust date/time > Sync now .