400 Bad Request Setting up VPN (RBR40)

Check enable VPN click Apply

get an immediate

400 Bad Request

This server does not support the operation requested by your client.

Previously establised and activated a DDNS using mynetgear.com after getting a "warning" actually a requirement for needed a DDNS or fixed IP address

Running V2.3.5.32 due to another still unresolved issue with latest firmware