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desaia · 10-08-2025

Description This article explains a High Availability (HA) out-of-sync condition that may occur after upgrading to v7.6.2 or v7.6.3. Scope FortiGate v7.6.2 and v7.6.3. Solution After upgrading, administrators may observe that HA units show an out-of-...

desaia · 09-24-2025

Description This article describes an issue where, when attempting to upgrade FortiGate 900G/901G devices from FortiOS 7.2.10/7.2.11 to FortiOS 7.4.7/7.4.8, the device may get stuck during the upgrade process. Scope FortiGate 900G / 901G. Solution Du...

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...

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Troubleshooting Tip: HA Out-of-Sync due to 'system.health-check-fortiguard'

Troubleshooting Tip: 900G/901G units stuck during the upgrade process from FortiOS 7.2.10/7.2.11 to 7.4.7/7.4.8

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

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