We upgrade our ASA(Active / Standby) firewall from 9.2(2)4 to 9.12.4 Interim last night. Upgrade Activity is fine. But, after upgrade to 9.12.4, our anyconnect user can't connect. And we got this error message -    Security Warning: Untrusted Server ...

We want to by a wireless hardware controller(C9800-L) for our Access Point Management as a primary controller. We also need a backup WLC. Therefore, we want to deploy Cisco WLCv 9800-CL on our Esxi. (NOTE: this will cause our budget) is it ok to depl...