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desaia · 06-25-2025

Description This article describes how to handle a scenario where the user is unable to connect to the SSL VPN/IPsec VPN using 2FA when FortiTokens are assigned. Scope FortiGate, FortiToken Mobile. Solution When checking the SSL VPN/IKE debugs, the l...

desaia · 03-25-2025

Description This article describes how to investigate high CPU usage due to the 'wpad_ac' process. Scope FortiOS 7.4.3. Solution Examine the output of 'diagnose sys top', which will show the 'wpad_ac' process consuming high CPU: Run Time: 181 days, 4...

desaia · 10-24-2024

Description This article describes how to configure ZTNA firewall policy when central NAT is enabled. Scope FortiOS 7.2.5 and above. Solution FortiGate with multiple VDOMs and central NAT disabled will have the ZTNA firewall policy under 'Policy & Ob...

desaia · 08-23-2024

Description The article describes troubleshooting steps to take if the FortiGate enters a boot loop when performing a downgrade from FortiOS 7.2.5+ to FortiOS 6.4. Scope FortiOS 7.2.5 and above, 6.4 and above. Solution When performing a downgrade fro...

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Troubleshooting Tip: Unable to login to the SSL VPN/IPsec VPN using 2FA for new users

Troubleshooting Tip: SSIDs not broadcasting after the HA failover due to 'wpad_ac' process consuming high CPU

Troubleshooting Tip: Unable to configure ZTNA firewall policy when central NAT is enabled

Troubleshooting Tip: 'System files integrity check failed!' message observed when performing downgrade from FortiOS 7.2.5+ to FortiOS 6.4

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