- Cisco Employee,
There is a known issue with anyconnect if you are running IOS version 12.4(24)T4. If you are using the standalone AnyConnect client, you will be unable to connect to the ASA.
The defect is CSCtj09256 and you can read about it here:
Q: Does this mean I can't use AnyConnect with 12.4(24)T4?
A: No. You *can* use AnyConnect, but you'll need to log into the webvpn portal first to start it. You do this by logging into the portal ,and then click on the 'Tunnel Connection' button. This will start AnyConnect or download it to your client if AnyConnect is not already installed.
First - log into the portal:
And then once you've logged in with the credentials you would use with AnyConnect, select the start button: