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Attributes for AD Users : postOfficeBox

The Active Directory attribute postOfficeBox can contain the post office box number for the user. This field isn't used directly from the Active Directory system, it is a pure info attribute without technical meaning.


LDAP name postOfficeBox
Data type String (max 64)
Multivalue (Array) Yes
System Flags


Search Flags 0x10
In Global Catalog? No
Attribute ID
AD DB attribute name Post-Office-Box
ADSI datatype 3 - String(Unicode)
LDAP syntax - Directory String
Used in ... > W2K
Schema Info Microsoft - MSDN

Strange: In the admin tool "AD Users and Computers" you can edit the postal office box number for a user only as a single value, whereas the AD schema defines it as a multivalue array.