Upgrading
You can centrally manage, configure, and update SmartConnectors remotely. You can use the Upgrade SmartConnector utility on the ArcSight Console to install newer versions of SmartConnector software for managed devices, and to review which versions are currently installed. (See Upgrading SmartConnectors.)
The connector upgrade utility is one of control commands available on SmartConnectors. (See Sending Control Commands to SmartConnectors.)