The current version of Cisco An圜onnect is not compatible with Big Sur – if you wish to use Cisco An圜onnect with Big Sur, please download the newest version of Cisco An圜onnect from the IT website VPN webpage. If you are using a Mac, please note that upgrading to Big Sur can cause compatibility issues with your current software. On November 12, 2020, Apple is scheduled to release macOS 11.0, Big Sur. Mac OS Upgrade Compatibility Issues November 10, 2020