Some changes/enhancements in the Microsoft Active Directory Import Page were added that may cause confusion with customers.
Under "Specified Schedules", the option is grayed out even though we have shared schedules defined.
Active Directory Synchronization Schedule is not running anymore
ITMS 8.0 HF1 and later
See also KB 169580 "How to find the Active Directory Synchronization schedule in 8.x"
Original post for these changes, can be found here: