Shrew Client VPN Windows 11 zu Fritzbox 6660 negotiation timeout occurred am 19.03.2022

In our case we run Adtran routers and still use IKEv1. It is not the version of IKE ...

Shrew Client VPN Windows 11 zu Fritzbox 6660 negotiation timeout occurred am 19.03.2022

Your problem is more than likely Windows 11. I have seen a working installation of the Shrew client ...