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The password uniqueness must meet minimum requirements.


Overview

Finding ID Version Rule ID IA Controls Severity
WN12-AC-000004 WN12-AC-000004 WN12-AC-000004_rule Medium
Description
A system is more vulnerable to unauthorized access when system users recycle the same password several times without being required to change to a unique password on a regularly scheduled basis. This enables users to effectively negate the purpose of mandating periodic password changes.
STIG Date
Microsoft Windows Server 2012 Member Server Security Technical Implementation Guide 2013-07-25

Details

Check Text ( C-WN12-AC-000004_chk )
Verify the effective setting in Local Group Policy Editor.
Run "gpedit.msc".

Navigate to Local Computer Policy -> Computer Configuration -> Windows Settings -> Security Settings -> Account Policies -> Password Policy.

If the value for "Enforce password history" is less than "5" passwords remembered, this is a finding.
Fix Text (F-WN12-AC-000004_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Account Policies -> Password Policy -> "Enforce password history" to "5" passwords remembered.