Overview#

UsnChanged Update Sequence Number (USN) assigned by the local directory for the latest change, including creation!! LDAP (Microsoft Active Directory) Attribute Definition The UsnChanged AttributeTypes is defined as:

• CN:
• OID of 1.2.840.113556.1.2.120
• NAME: UsnChanged
• DESC: Tracks changes to the Update Sequence Number (USN)
• EQUALITY:
• ORDERING:
• SYNTAX: 2.5.5.16 (Interval Syntax)
• LOWERBOUND:
• UPPERBOUND:
• OMSyntax:
• SchemaIDGUID: bf967a6f-0de6-11d0-a285-00aa003049e2
• mapiID: 8029
• SINGLE-VALUE
• NO-USER-MODIFICATION
• USAGE: OperationalAttribute
• Extended Flags:
  • X-ORIGIN: MSDN
• X-SYSTEMFLAGS
  • FLAG_ATTR_NOT_REPLICATED
  • FLAG_ATTR_REQ_PARTIAL_SET_MEMBER
  • FLAG_ATTR_IS_OPERATIONAL
• X-SCHEMAFLAGSEx
• X-SEARCH-FLAGS
  • fPRESERVEONDELETE
  • fATTINDEX
• Used as MUST in:
• Used as MAY in:

More Information#

There might be more information for this subject on one of the following:

• 1.2.840.113556.1.2.120
• Update Sequence Number