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mkhabbazi
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Staff
‎03-26-2025
Last activity: Mar 27, 2025 12:28:02 AM
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Technical Tip: WWAN interface is Down after the Firmware Upgrade of FortiGate

03-17-2025
Description This article addresses the issue where WWAN/LTE connection may become unavailable following a FortiGate upgrade. Scope FortiGate-3G/4G modem v7.4.7 or v7.6.2. Solution After upgrading the FortiGate to v7.4.7 or v7.6.2, the device will try...

Technical Tip: Debug Flow Utility on GUI does not display output after a firmware upgrade to FortiOS v7.4.6, v7.6.1 or v7.6.2

01-12-2025
Description This article describes an issue where GUI debug flow does not display any output after upgrading to FortiOS v7.4.6, v7.6.1 or v7.6.2. Scope FortiGate v7.4.6, v7.6.1, v7.6.2. Solution In v7.4.6, v7.6.1, and v7.6.2, the first debug flow cap...

Technical Tip: V7.6.1 running (<4Gb RAM) entering conserve mode when enable IPS or APP control feature

12-15-2024
Description This article explains the issue of the devices with 4 GB RAM getting to conserve mode during the FortiGuard upgrade while IPS and application control are enabled on firewall policies. Scope FortiGate v7.6.1 with 4 GB RAM. Solution The iss...

Troubleshooting Tip: Warning this firmware failed signature validation

12-02-2024
Description This article describes how to resolve the 'this firmware failed signature validation' Warning while upgrading 7.6.1. Scope FortiGate v7.6.1. Solution The above warning may show when upgrading FortiGate in GUI. However, the CLI will show i...

Technical Tip: Aggregate interfaces is not stay up on FortiGate-400F/600F/1100E after upgrading to v7.0.11, v7.2.6 ,v7.2.5, v7.4.0

09-12-2024
Description This article describes an issue where the FortiGate-400F ,600F 1100E Aggregate interfaces are not being initialized correctly after upgrading to v7.0.11, v7.2.6, v7.2.5 , or v7.4.0 A notable symptom of the issue is that the LACP Aggregate...
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