ObjectClassCategory is An integer value that specifies the category of the class, which can be one of the following:
- 1 - STRUCTURAL, meaning that it can be instantiated in the directory.
- 2 - ABSTRACT, meaning that the class provides a basic definition of a class that can be used to form structural classes.
- 3 - AUXILIARY, meaning that a class that can be used to extend the definition of a class that inherits from it but cannot be used to form a class by itself.
There might be more information for this subject on one of the following: