When end-user steps fail, it's time for a deep dive. The following resolutions require direct access to the Palo Alto Networks firewall or administrative rights on client machines.

Old or corrupted configuration files can cause persistent certificate warnings. Disconnect from the VPN.

Perform these three rapid checks before moving to advanced troubleshooting.

Locate the certificate assigned to your GlobalProtect Portal and Gateway.

The ID was issued by a .

Is this happening to or multiple users across the company? Share public link

Temporarily disable your anti-virus software to see if it is breaking SSL connections. If the VPN works while it is off, you will need to add an exception in your anti-virus settings for GlobalProtect. When to Contact IT Support