If the issue persists, check the :
: Some ISPs or local transparent proxies (like those in hotels or cafes) perform "SSL Inspection," which intercepts the certificate and replaces it with their own, causing GlobalProtect to fail.
: Ensure your system clock is synchronized with a network time server. Troubleshooting by Platform Windows
HKLM\SOFTWARE\Palo Alto Networks\GlobalProtect\PanSetup\ DWORD: IgnoreCertErrors = 1
: A real-time validation check in the Palo Alto Networks admin console that flags a "Certificate Mismatch" if the Gateway Address field does not exactly match the certificate's DNS names.
: Ensure your device's date, time, and timezone are set to automatic . If your clock is off, certificates will appear invalid.
