FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
Pedro_FTNT
Staff
Staff
Description
This article describes how to register license or solve expired license error after changing FortiGate or ISP Internet Connection error.
Scope
All FortiOS Versions
Solution
In order to test the connection to FortiGuard:

1) Check FortiGate DNS servers:

    Go to System / DNS / Configure the DNS: 

    208.91.112.53 
    208.91.112.52 

2) Run diagnose and sniffers commands as follows:
di de app update -1 
di de enable 
exe update-now

3) Check License Registration

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