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Windows Server 2019 maximum age for machine account passwords must be configured to 30 days or less.


Finding ID Version Rule ID IA Controls Severity
V-93285 WN19-SO-000100 SV-103373r1_rule Medium
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.
Windows Server 2019 Security Technical Implementation Guide 2020-06-15


Check Text ( C-92603r1_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, but not 0)
Fix Text (F-99531r1_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).