FortiManager manages all your Fortinet devices in a single console central management system and provides full visibility of your network, offering streamlined provisioning and innovative automation tools. Integrated with Fortinet Security Fabric, the security architecture and Automation Driven Network Operations capabilities provide a foundation to secure and optimize network security.

Max limit of manageable resources:
Managed devices: 500
Storage capacity: 4TB
Daily log size: 10GB of logs per day

Please ensure the connectivity to FortiCare (https://directregistration.fortinet.com:443) by checking all related setup on security groups, ACLs, IGW, route tables, public IP address...etc.