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Unassign Devices from a Sinkhole

  1. Go to Configure> Firewall Policy> DNS Sinkhole.

    The DNS Sinkhole page is displayed.

  2. Select the sinkhole from which you want to unassign devices, click More, and then click Unassign Device.

    You are prompted to confirm that you want to unassign the devices.

  3. Click Yes to confirm.

    All the devices assigned to the sinkhole are unassigned.

  4. Publish the sinkhole policy. See Publish a DNS Sinkhole Policy.