How to resolve "Portal Error. Check version failed"

How to resolve "Portal Error. Check version failed"

25714
Created On 09/26/18 13:50 PM - Last Modified 07/20/20 20:26 PM


Symptom


When attempting to use GlobalProtect on a computer running a software firewall, it is possible that a "Portal Error. Check version failed" error occurs if the firewall is blocking the GlobalProtect connection.

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Environment


  • Pan-OS
  • Globalprotect App

Resolution


 

When disabling the firewall is not an option, the following two ports need to be allowed through for GlobalProtect to connect and work properly

  • TCP/443 for the SSL communication
  • UDP/4501 for tunnel communication to the GlobalProtect Gateway

 

owner: acamacho
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