[2021] My Cisco AnyConnect doesn't work.

The license for Cisco AnyConnect expires on 11/26/2021 and will not be renewed.
Existing installations are no longer needed and can be removed from your system.
To continue establishing a VPN connection to the TU Kaiserslautern network, you will need the WireGuard software from now on.
All information about downloading and setting up WireGuard can be found here: https://www.rhrk.uni-kl.de/en/vpn