Enforce password history
This policy setting determines the number of renewed, unique passwords that have to be associated with a user account before you can reuse an old password. The value for this policy setting must be between 0 and 24 passwords. The default value for Windows Vista is 0 passwords, but the default setting in a domain is 24 passwords. To maintain the effectiveness of this policy setting, use the Minimum password age setting to prevent users from repeatedly changing their password.
[max number of days]
(1) GPO: Computer Configuration\Windows Settings\Security Settings\Account Policies\Password Policy!Enforce password history
(2) WMI: root\rsop\computer#RSOP_SecuritySettingNumeric#Setting#KeyName='PasswordHistorySize' And precedence=1
oval:org.secpod.oval:def:22607
SCAP Repo OVAL Definition
2015-01-07