The customer wants to determine if there is an active maintenance window on a particular computer to determine if an admin can execute a task on that computer now.
ITMS 8.6 RU3 and later
With our ITMS 8.6 RU3 and later, you can quickly and easily see whether a computer currently has an active maintenance window. For more information, see Viewing Information about a Computer’s Maintenance Window.
You can check under the "General" tab of the "Computers" view a "Maintenence Window" field.