Set up automatic updates for Gateway Anti-Malware Engine for a domain

Make sure that you have configured a DNS server for the domain to allow Sensors attached to this domain to download Gateway Anti-Malware Engine updates. If you have not done so, go to Devices → <Admin Domain Name> → Global → Common Device Settings → Name Resolution to configure a DNS server.
You must be using either an NS-series Sensor or an NTBA Appliance to use this engine.

An update comprises the following components:

Gateway Anti-Malware DAT and Gateway Anti-Malware Engine
Anti-Virus DAT
Anti-Malware Engine

The update can either be an incremental update or a full update. The full update is approximately 200 MB.

You can set up automatic updates for both these components using these steps. If you do not want to set up automatic updates, you can use the existing process for manual updates.

Steps:

Click Devices → <Admin Domain Name> → Global → Common Device Settings → GAM Updating.
The GAM Updating page appears.
Select Enable Automatic Updating?.
Notification to configure a DNS server

If you have not configured a DNS server for this domain, you will receive a notification prompting you to do so.
Click the Update Interval drop-down.
The range of the update interval is between 2 hours and 24 hours since Trellix provides updates several times in a day.
Click Save to complete the configuration.

You have now set up automatic updates for all devices that run Gateway Anti-Malware Engine in the domain.