Created on 12-08-2021 05:20 AM Edited on 11-30-2022 05:27 AM By Jean-Philippe_P
Description |
This article describes that it can happen to have the error 'Image upgrade failed' while upgrading the FortiGate from GUI.
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Solution |
Try one of the subsequent options: 1) Clear the cache of the browser and cookies.
2) Use another browser.
3) Use incognito mode.
4) Verify if FortiGuard is connected so the firmware can be downloaded.
If it is failing, either fix the FortiGuard connectivity or try to download the image from support.fortinet.com:
Support -> Firmware download -> Download. |
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