Please assist, last week Saturday my vpn connection was working, today when i connect it fails,
Below is the event viewer on from my Network Policy Server. From the investigation, the solution was to reconfigure the NPS policies(connection request policies) by enabling "Override network policy authetication policy". Antivirus and windows firewall has been disabled on both the server and the client laptop.
A connection between the VPN server and the VPN client 197.254.138.146 has been established, but the VPN connection cannot be completed. The most common cause for this is that a firewall or router between the VPN server and the VPN client is not configured to allow Generic Routing Encapsulation (GRE) packets (protocol 47).