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The maximum age for machine account passwords must be configured to 30 days or less.


Overview

Finding ID Version Rule ID IA Controls Severity
V-225033 WN16-SO-000120 SV-225033r569186_rule Medium
Description
Computer account passwords are changed automatically on a regular basis. This setting controls the maximum password age that a machine account may have. This must be set to no more than 30 days, ensuring the machine changes its password monthly.
STIG Date
Microsoft Windows Server 2016 Security Technical Implementation Guide 2021-03-05

Details

Check Text ( C-26724r466001_chk )
This is the default configuration for this setting (30 days).

If the following registry value does not exist or is not configured as specified, this is a finding.

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\

Value Name: MaximumPasswordAge

Value Type: REG_DWORD
Value: 0x0000001e (30) (or less, but not 0)
Fix Text (F-26712r466002_fix)
This is the default configuration for this setting (30 days).

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Maximum machine account password age" to "30" or less (excluding "0", which is unacceptable).