1. Click on the Lockdown tab. The Lockdown page displays.
2. To revoke access for individual groups, click the check-box (on the right side of the page) associated with each desired group.
3. To revoke access for all groups associated with all sites, click Toggle All.
4. Click Save Lockdown Settings. All access privileges associated with the selected groups are revoked within five minutes; no group member will be allowed entry or exit at any secured door.