The tool will tell you if you need to install intermediate versions (e.g., going from 7.0.x to 7.4.x might require a stop at 7.2.x). 5. Download the Image Once you know the specific version(s) you need: Select the tab in the portal.
| Error Message | Cause | Solution | |---------------|-------|----------| | “Access Denied” | Account not linked to a FortiCare contract | Register your product serial number under Asset Management | | “File not found for this model” | Model mismatch or End-of-Support (EOS) | Upgrade your hardware or contact Fortinet support | | “Checksum mismatch” | Corrupt download or network interruption | Re-download using a wired connection; disable download accelerators | | “Version not available” | You selected a branch that your model doesn’t support | Check the model’s data sheet for maximum FortiOS version | | “Download quota exceeded” | Fortinet limits per-account concurrent downloads | Wait 15 minutes or use a different IP address |
The tool will tell you if you need to install intermediate versions (e.g., going from 7.0.x to 7.4.x might require a stop at 7.2.x). 5. Download the Image Once you know the specific version(s) you need: Select the tab in the portal.
| Error Message | Cause | Solution | |---------------|-------|----------| | “Access Denied” | Account not linked to a FortiCare contract | Register your product serial number under Asset Management | | “File not found for this model” | Model mismatch or End-of-Support (EOS) | Upgrade your hardware or contact Fortinet support | | “Checksum mismatch” | Corrupt download or network interruption | Re-download using a wired connection; disable download accelerators | | “Version not available” | You selected a branch that your model doesn’t support | Check the model’s data sheet for maximum FortiOS version | | “Download quota exceeded” | Fortinet limits per-account concurrent downloads | Wait 15 minutes or use a different IP address | fortigate firmware download
