The customer wants to cancel a maintenance schedule set on a device. There is no visible 'cancel' option in the options panel for the maintenance schedule.
Smarts SAM 9.x, 10.x
This is by design. Acknowledgment of the notification cancels it.
To delete a scheduled maintenance notification:
Log in to the console without user maint privileges.
In the Notification Log Console, right-click a SchedMaint notification.
Select Acknowledge.
The scheduled maintenance notification is removed.