VPN Error 6xx / 7xx / 8xx | hide.me VPN Community
TLS-EAP doesn't work, CHAP does work. If you skipped here, don't worry - configure the VPN via the VPN Properties page to allow CHAP, which has been disabled by default in Windows 8 and 8.1 on the two screens shown here: Above, "Use Extensible Authentication Protocol (EAP)" was clicked by default. work-related question: VPN help for boss traveling : AirForce Apr 14, 2010 Point to site VPN - Client not able to connect - Error 691 Aug 20, 2013
FIX: VPN Error 691 on Windows 7/8 and 10 - Appuals.com
Jul 20, 2016 Commmon VPN Error Codes and Troubleshoot Guide by VPNSTORE
Machine certificate on the RAS server has expired.; Machine certificate used for IKEv2 validation on the RAS Server does not have ‘Server Authentication’ as the EKU (Enhanced Key Usage).; Root certificate that validates the RAS server certificate is not available on the client-side.
How to Fix VPN Error 691 on Windows - YouTube