You need to create unmanaged detector.
Find Unmanaged Clients on a remote network location using the Unmanaged Detector
http://www.symantec.com/business/support/index?page=content&id=TECH96234&locale=en_US
What does it mean to set a client as an Unmanaged Detector?
http://www.symantec.com/business/support/index?page=content&id=TECH105722&locale=en_US
There are three ways to view unmanaged computers/devices discovered using the Unmanaged Detector feature.
- Configure a notification
- Open and login to the Symantec Endpoint Protection Manager
- Click onMonitors Tab
- Click onNotifications
- Click onNotification Conditions
- Click on Add
- Select Unmanaged computers
- Check Unknown Device Failures in Security Status Details :
- Select the Home tab to view the Dashboard page of the Symantec Endpoint Protection Manager
- Click on More Details link on the Security Status alert and check for Unknown Device Failures. Any detections of unmanaged devices are listed, with IP and MAC address details.
Check the Unknown Computers tab of Find Unmanaged Computers
1. Click on the SEPM's Clients tab and choose Find Unmanaged Computers.
2. Click on the Unknown Computers tab. Any unmanaged devices that have been detected by unmanaged detectors are listed by IP address.