Pre-requisites
To discover the FortiWLC 8.3.3 64-bit controllers (listed below) in FortiWLM 8.4.0/8.4.1/8.4.2/8.5.0/8.5.1/8.5.3, you need to apply the FortiWLC 8.3.3 patch. Contact the Customer Support for installing the relevant patch.
- FortiWLC-1000D
- FortiWLC-3000D
- FWC-VM-50
- FWC-VM-200
- FWC-VM-500
- FWC-VM-1000
- FWC-VM-3000
Upgrade FortiWLM before you initiate controller (FortiWLC-SD) upgrade. While upgrading a FortiWLM with over 100 controllers, the controllers return to active state sequentially, one at a time. It may take up to 10 minutes or more for all controllers to become active.