I'm getting really frustrated with this problem now. I have searched everywhere and tried everything I could and still I haven't solved this problem.
After upgrading to windows 8.1, I uninstalled the previous version of anyconnect, removed the driver, and then installed the version
3.1.05152. When I try to connect to my vpn, this message appears:
"anyconnect cannot confirm it is connected to your secure gateway"
and the connection is closed. I installed the server certificate into the trusted store, enabled/disabled the virtual port driver, restarted, unchecked the option "block connections to unstrusted servers" .. and nothing, always the same error message.
I also have this problem and have tried every available solution that I've come across from the DNE fix the registry fix to everything else. The registry change worked for Windows 8 but does not work for me in Windows 8.1.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...