Morning, I am trying to setup a Windows 2016 VPN via LT2P but keep getting the below error.
Anyone know what I can do to fix it?
During main mode negotiation, IPsec received an invalid negotiation packet. If this problem persists, it could indicate a network issue or an attempt to modify or replay this negotiation.
Local Network Address: 172.16.0.139
Remote Network Address: 172.16.66.10
Keying Module Name: IKEv1