Nested VPN tunnels
Parallel, independent VPN connections to different sites are not supported; however, FortiClient VPN connection may still be established over existing third-party (for example, AT&T Client) VPN connection (nested tunnels).
Microsoft Windows Server support
For Microsoft Windows Servers, the AV and Vulnerability Scan features for FortiClient are supported.
FortiClient Rebranding Tool not supported
FortiClient (Windows) 6.0.4 does not support the FortiClient Rebranding Tool.