What to do if a soft reset fails

A soft reset might fail with the following error conditions:

Error condition	Troubleshooting suggestion
An error message displaying: "checksum verification failed" "could not find image"	Perform an upgrade with the image of the intended version or latest version.
The Security Event Manager Controller cannot boot up after an upgrade and you cannot connect to the Security Event Manager Controller	Perform the following steps: Access the bootloader of the Security Event Manager Controller (see Bootloader). Select the "Backup" option to restore the last working OS image to the system. Access the Security Event Manager Controller and perform an upgrade via `fazbdctl` CLI commands (see Upgrade FortiAnalyzer-BigData) with the image of the intended version or latest version. Rerun the reset command to perform a soft reset.

Error condition

Troubleshooting suggestion

An error message displaying:

Perform an upgrade with the image of the intended version or latest version.

The Security Event Manager Controller cannot boot up after an upgrade and you cannot connect to the Security Event Manager Controller

Perform the following steps:

Access the bootloader of the Security Event Manager Controller (see Bootloader).
Select the "Backup" option to restore the last working OS image to the system.
Access the Security Event Manager Controller and perform an upgrade via fazbdctl CLI commands (see Upgrade FortiAnalyzer-BigData) with the image of the intended version or latest version.
Rerun the reset command to perform a soft reset.