Cannot connect to Cisco AnyConnect VPN on Windows, timeout error.
User connects to Cisco Anyconnect VPN, after select user certificate, it shows an error, “The IPsec VPN connection was terminated due to an authentication failure or timeout.”
Step 1. Open IE browser, click on Tools -> Internet Options
Step 2. In the pop-up window, select Content -> Certificates -> Personal
Step 3. In the Personal tab, find the certificate Issued to you and Issued by Authentication Certificate Authority, remove this certificate.