With many maintenance windows configured over many devices, you may want to see which devices have configured maintenance windows.
You can see which devices have maintenance windows in the All Devices view.
In the left-hand navigation menu, click Views > All Devices.
Scroll to the Features column that displays the various features installed on a device.
If the icon is not grayed out, the device has a configured maintenance window.
For more information on the various icons in the All Devices view, see All Devices View.