GlobalProtect - Connection Failed. The server certificate is invalid. (Mac)
This article lays out the steps necessary to allow GlobalProtect to load system extensions when the message "The server certificate is invalid" is displayed.
If you encounter a problem connecting to the GlobalProtect VPN with the error "The server certificate is invalid. Please contact your IT Administrator.", you may have missed the step to grant permission for the GlobalProtect VPN client to access your system.
Please follow the steps below to grant permission:
- Go to the System Preferences > Security & Privacy.
- From the General tab, you should see the message “System software from developer “Palo Alto Networks” was blocked from loading.”.
- Click Allow to grant the GlobalProtect permissions to load.
NOTE: You may need to first unlock the Security & Privacy preference by clicking on the padlock in the lower left corner and authenticating.
- Then try to connect VPN again.
If you follow these steps and the problem persists, please contact WCER Technical Services.