Before starting an upgrade, go to System Settings to review the following widgets:
- License Information widget
- System Resources widget to check for high memory and CPU usage
It is also recommended to check the Alert Message Console widget in System Settings and the notifications in the toolbar.
Make sure your VM partition has more than 1024MB and your VM server is up to date.
To view the flash disk size of your VM, enter the following command in the FortiManager CLI:
diagnose system flash list
You can increase the size by shutting down the VM, editing the VM hardware to increase the size of the first hard disk, and then restarting the VM.