Object-Classes attribute

A multiple-valued property that contains strings that represent each class in the schema. Each value contains the governsID, lDAPDisplayName, mustContain, mayContain, and so on.

Entry	Value
CN	Object-Classes
Ldap-Display-Name	objectClasses
Size	About 20 bytes on average per class name.
Update Privilege	The designer of the object would set this value.
Update Frequency	Whenever the design of the class changes.
Attribute-Id	2.5.21.6
System-Id-Guid	9a7ad94b-ca53-11d1-bbd0-0080c76670c0
Syntax	String(Unicode)

Implementations

• Windows 2000 Server
• Windows Server 2003
• ADAM
• Windows Server 2003 R2
• Windows Server 2008
• Windows Server 2008 R2
• Windows Server 2012

Windows 2000 Server

Entry	Value
Link-Id	-
MAPI-Id	-
System-Only	True
Is-Single-Valued	False
Is Indexed	False
In Global Catalog	False
NT-Security-Descriptor	O:BAG:BAD:S:
Range-Lower	-
Range-Upper	-
Search-Flags	0x00000000
System-Flags	0x08000014
Classes used in	SubSchema

Windows Server 2003

Entry	Value
Link-Id	-
MAPI-Id	-
System-Only	True
Is-Single-Valued	False
Is Indexed	False
In Global Catalog	False
NT-Security-Descriptor	O:BAG:BAD:S:
Range-Lower	-
Range-Upper	-
Search-Flags	0x00000000
System-Flags	0x08000014
Classes used in	SubSchema

ADAM

Entry	Value
Link-Id	-
MAPI-Id	-
System-Only	True
Is-Single-Valued	False
Is Indexed	False
In Global Catalog	False
NT-Security-Descriptor	O:BAG:BAD:S:
Range-Lower	-
Range-Upper	-
Search-Flags	0x00000000
System-Flags	0x08000014
Classes used in	SubSchema

Windows Server 2003 R2

Entry	Value
Link-Id	-
MAPI-Id	-
System-Only	True
Is-Single-Valued	False
Is Indexed	False
In Global Catalog	False
NT-Security-Descriptor	O:BAG:BAD:S:
Range-Lower	-
Range-Upper	-
Search-Flags	0x00000000
System-Flags	0x08000014
Classes used in	SubSchema

Windows Server 2008

Entry	Value
Link-Id	-
MAPI-Id	-
System-Only	True
Is-Single-Valued	False
Is Indexed	False
In Global Catalog	False
NT-Security-Descriptor	O:BAG:BAD:S:
Range-Lower	-
Range-Upper	-
Search-Flags	0x00000000
System-Flags	0x08000014
Classes used in	SubSchema

Windows Server 2008 R2

Entry	Value
Link-Id	-
MAPI-Id	-
System-Only	True
Is-Single-Valued	False
Is Indexed	False
In Global Catalog	False
NT-Security-Descriptor	O:BAG:BAD:S:
Range-Lower	-
Range-Upper	-
Search-Flags	0x00000000
System-Flags	0x08000014
Classes used in	SubSchema

Windows Server 2012

Entry	Value
Link-Id	-
MAPI-Id	-
System-Only	True
Is-Single-Valued	False
Is Indexed	False
In Global Catalog	False
NT-Security-Descriptor	O:BAG:BAD:S:
Range-Lower	-
Range-Upper	-
Search-Flags	0x00000000
System-Flags	0x08000014
Classes used in	SubSchema