On Windows, certificate issues are frequently linked to corrupted Windows Management Instrumentation (WMI) or stale registry keys.
Delete files titled PanPortal* from ~/Library/Application Support/PaloAltoNetworks/GlobalProtect/ . globalprotect vpn failed to verify certificate
The "Failed to verify certificate" error in GlobalProtect VPN On Windows, certificate issues are frequently linked to
You can’t fix this. Contact your IT team and politely ask, "Hey, did the VPN cert expire last night?" Fix (Admin): Log into the Panorama or firewall and deploy a new valid certificate. globalprotect vpn failed to verify certificate
If users across the organization are reporting this error, the problem lies on the firewall or gateway configuration.