The maximum age for machine account passwords will be set to requirements.

From Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide

Part of Maximum Machine Account Password Age

Associated with: CCI-000366

SV-32321r1_rule The maximum age for machine account passwords will be set to requirements.

Vulnerability discussion

This setting controls the maximum password age that a machine account may have. This setting should be set to no more than 30 days, ensuring the machine changes its password monthly.

Check content

Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for “Domain Member: Maximum Machine Account Password Age” is 0 or greater than 30 (30 is the default), this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Services\Netlogon\Parameters\ Value Name: MaximumPasswordAge Value Type: REG_DWORD Value: 30

Fix text

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, but not 0.

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