Special notices

• FortiGate cannot restore configuration file after private-data-encryption is re-enabled

• FortiManager support for updated FortiOS private data encryption key

• Hyperscale incompatibilities and limitations

• Hyperscale NP7 hardware limitation

• FortiGate 6000 and 7000 incompatibilities and limitations

• FortiGate VM memory and upgrade

• RADIUS vulnerability

• Changes to NP7 traffic shaping

• SSL VPN tunnel mode replaced with IPsec VPN

• Agentless VPN (formerly SSL VPN web mode) not supported on some FortiGate series models

• 2 GB RAM FortiGate models no longer support most FortiOS proxy-related features

• 2 GB RAM FortiGate models no longer support Security Rating and Security Fabric topology

• GUI access conflict with IPSec TCP tunnel on the same interface

• SAML certificate verification

• Policy check required for hairpin traffic

• Changing vlan-lookup-cache requires system restart