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.

More Information#

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

• Domain Wide Account Policies
• Password History
• PwdProperties
• Windows Default Password Policy