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


Finding ID Version Rule ID IA Controls Severity
V-220918 WN10-SO-000055 SV-220918r569187_rule Low
Computer account passwords are changed automatically on a regular basis. This setting controls the maximum password age that a machine account may have. This setting must be set to no more than 30 days, ensuring the machine changes its password monthly.
Windows 10 Security Technical Implementation Guide 2021-08-18


Check Text ( C-22633r555239_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 Path: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\

Value Name: MaximumPasswordAge

Value Type: REG_DWORD
Value: 0x0000001e (30) (or less, excluding 0)
Fix Text (F-22622r555240_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).