Can you share with us how you renewed the certificate without having to install a new one ? I'm running into the same problem - I need to renew the certificate without having to install a new one on all the devices. I'm using ACS SE 4.2.
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...