TL;DR Cisco AnyConnect VPN  software fails to connect with the error “Hostscan is waiting for the next scan” when there are too many certificates in your Personal Certificates folder. Fiddler creates a LOT of certificates when you allow it to intercept HTTPS traffic. Clearing these certificates will resolve this error. Jump to The Solution or… Read More Solution: Cisco VPN connection error, “Hostscan is waiting for the next scan”