Troubleshooting Tip: How to identify firmware downgrade without factory reset on FortiManager

[mvlasak]

Description	This article describes how to identify unsupported downgrade without factory reset on FortiManager.
Scope	Any supported version of FortiManager.
Solution	The downgrade is not supported in FortiManager and FortiAnalyzer. In order to see if the system can receive support, it can be possible to enter the below command in the FortiManager/FortiAnayzer command line: FMG # diag cdb upgrade summary ==== New configuration database initiated ==== 2023-03-10 04:20:28 v7.2.2-build1334 230201 (GA) 2023-03-16 17:10:35 v7.2.1-build1215 220809 (GA)  <-- firmware downgrade without factory reset. 2023-03-16 17:44:36 v7.2.2-build1334 230201 (GA) FMG # diag cdb upgrade log ==== New configuration database initiated ==== 2023-03-10 04:20:28 v7.2.2-build1334 230201 (GA) 2023-03-16 17:10:35 v7.2.1-build1215 220809 (GA)  <-- firmware downgrade without factory reset. 2023-03-16 17:10:35 Success Upgrade rtm db 2023-03-16 17:10:36 Success Upgrade meta variables 2023-03-16 17:10:37 Success Upgrade CLI Templates 2023-03-16 17:10:37 Success Add default cli templates 2023-03-16 17:10:38 Success Upgrade endpoint-control fctems 2023-03-16 17:44:36 v7.2.2-build1334 230201 (GA) Related article: Technical Tip: FortiManager system upgrade, downgrade, and configuration restore information