To set up automatic deletion of devices that have been offline for specific number of days using the Clean Up tool:

1. Navigate to: DNSFilter dashboard > Deployments > Roaming Clients > Manage Roaming Clients.
2. Select Clean Up Tool: Choose the option to delete old roaming clients.
3. Set Interval: Select "Last Traffic Sent" and set the interval to x number of days.
4. Confirm Deletion: Review and confirm the count and list of agents to delete.

Keep in mind, if the device being deleted is not decommissioned, you will want to uninstall the client first. Otherwise the Roaming Client will check back in when the user logs into the machine. For more information, review our Manage Roaming Client settings article.