This Active Directory domain controller holds the last replica of the following application directory partitions: %1 Deleting ...

This Active Directory domain controller holds the last replica of the following application directory partitions:

%1
Deleting the last replica of an application directory partition deletes all data associated with that partition.  You must set the 'RemoveApplicationPartitions' option to 'YES' to confirm that you want dcpromo to delete all application directory partitions on this Active Directory domain controller.