Upgrades to version 4.0 from versions earlier than 3.1 are not supported. Make sure the system to which you are upgrading Management Center (MC) for Cisco Security Agents (CSA) meets the new version 4.0 specifications. If it does not, you must either install CSA MC to a new machine that meets system requirements and not perform the upgrade, or you must move your version 3.x configuration to the new machine that meets system requirements before performing the upgrade.
For upgrade information, refer to Installing Management Center for Cisco Security Agents 4.0.
How to (General Information)
Upgrade or install
Bundled managed applications
Cisco Security Agent (CSA) Version
VPN/Security Management Solution (VMS) Applications within VMS Bundle
CiscoWorks Management Center for Cisco Security Agents (CSA MC)