This attribute specifies the number of old passwords to save.

||Property||Value
|cn|Pwd-History-Length
|ldapDisplayName|pwdHistoryLength
|attributeId|1.2.840.113556.1.4.95
|attributeSyntax|2.5.5.9
|omSyntax|2
|isSingleValued|TRUE
|schemaIdGuid|bf967a09-0de6-11d0-a285-00aa003049e2
|systemOnly|FALSE
|searchFlags|0
|rangeLower|0
|rangeUpper|65535
|attributeSecurityGuid|c7407360-20bf-11d0-a768-00aa006e0529
|systemFlags|FLAG_SCHEMA_BASE_OBJECT
|schemaFlagsEx|FLAG_ATTR_IS_CRITICAL!Version-Specific Behavior
Implemented on Microsoft Windows® 2000 Server operating system, Windows Server® 2003 operating system, Windows Server® 2003 R2 operating system, Windows Server® 2008 operating system, and Windows Server® 2008 R2 operating system.

The schemaFlagsEx attribute was added to this attribute definition in Windows Server 2008.

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