The forest functional level is not high enough to complete addition of application directory partitions during installation ...

The forest functional level is not high enough to complete addition of application directory  partitions during installation of the directory. Therefore specified application directory partitions will not be added to this domain controller during installation.  
If you would like to make this server a replica of an application directory partition, you could re-add these application partition after the installation is complete.
  
  
Internal ID:
  %1
  
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