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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-73641 | WN16-SO-000120 | SV-88305r1_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 |
|---|---|
| Windows Server 2016 Security Technical Implementation Guide | 2017-05-18 |
Details
| Check Text ( C-73723r1_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-80091r1_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). |