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I have AnyConnect VPN access enabled at 5 different locations around the globe. Recently I have users, myself included that are unable to connect to two of the ASA firewalls using AnyConnect. The error message is always the same "Could not connect ...
The Cisco ACS server defaults to a 1 year certificate that can not be changed. However, you can, and what I have done is use OpenSSL to generate x509v3 certificates that have a validity of 3 years then import the certificates into the ACS.
