On the Sensors page, the Upgrade Policy section of the Create or Edit Group panel contains options to set the policy for upgrading installed sensors within a group.
Upgrade policy options are as follows:
No automatic updates – Manually decide when to upgrade sensors.
Automatically install the latest version – Automatically upgrades the sensors to the latest version.
Automatically install a specific version – Install a specific version for all sensors in a group. This keeps all sensors at the selected version. Select a version number using the drop-down list. Selecting the upgrade policy of a specific version is useful when sensor versions must be tested or vetted.