IsDirectoryCatalog (NotesDatabase - LotusScript®)

Read-only. Indicates whether a database is a Directory Catalog database, also known as the Light Weight NAB, or the Enterprise Address Book.

Note: This property is new with Release 5.

Defined in


Data type



To get: flag = notesDatabase .IsDirectoryCatalog

Legal values

  • True indicates that the database is a Directory Catalog.
  • False indicates that the database is not a Directory Catalog.


This property is valid only for a database retrieved through the AddressBooks property of NotesSession, and when the database is explicitly opened. For all other NotesDatabase objects, this property returns False.

The database must be open to use this property.