I'm researching an asa update from 8.4(7)30 to 220.127.116.11. Some remote users not simple to admin still have older AnyConnect versions 2.4, 2.5, and 3.1. Disregarding that 2.x support has ended, would these versions continue to work after the update or break? Would the https/SSLcertificate currently used require any change at the ASA and clients or continue working as it has been? Would current licensing continue to work without requiring modification? Primary concern right now is to not break connectivity for vpn users in distant places until they can be updated or migrated to another solution at a later time. Thanks
Cisco Adaptive Security Appliance Software Version 8.4(7)30 Device Manager Version 7.1(5)
Hardware: ASA5520, 2048 MB RAM, CPU Pentium 4 Celeron 2000 MHz Internal ATA Compact Flash, 256MB
Licensed features for this platform: AnyConnect Premium Peers : 2 perpetual AnyConnect Essentials : 750 perpetual Other VPN Peers : 750 perpetual Total VPN Peers : 750 perpetual Shared License : Disabled perpetual AnyConnect for Mobile : Enabled perpetual AnyConnect for Cisco VPN Phone : Disabled perpetual This platform has an ASA 5520 VPN Plus license.
sh run webvpn webvpn anyconnect-essentials anyconnect enable
present problem in this environment with the scenario of anyconnect clients automatically updating from the asa would be any users on the windows clients lacking local admin privileges for the installation to complete which is another subject.
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