To resolve the "Failed to Verify Certificate" error, follow these troubleshooting steps:
When you connect to a VPN, the GlobalProtect agent performs a "handshake" with the server. It expects a certificate that is (not expired), (signed by a known Authority), and globalprotect vpn failed to verify certificate
: Security software or proxy services on the local network may intercept the SSL traffic and present their own certificates, which GlobalProtect cannot verify. Untrusted Certificate Authority (CA) To resolve the "Failed to Verify Certificate" error,
A common cause of failure is when the gateway address in the portal configuration (e.g., an IP address) does not match the Common Name (CN) or Subject Alternative Name (SAN) of the certificate. (signed by a known Authority)