The domain controller must be configured to allow reset of machine account passwords.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-4408	AD.3107_2008_R2	SV-36192r1_rule	ECSC-1	Low

Description
Enabling this setting on all domain controllers in a domain prevents domain members from changing their computer account passwords. If these passwords are weak or compromised, the inability to change them may leave these computers vulnerable.

STIG	Date
Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide	2013-03-14

Details

Check Text ( C-32084r1_chk )
1. Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. 2. Navigate to Local Policies and select Security Options. 3. If the value for “Domain Controller: Refuse machine account password changes” is set to "Enabled", then this is a finding.

Fix Text (F-28441r1_fix)
Set the value for “Domain Controller: Refuse machine account password changes” to “Disabled”. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Services\Netlogon\Parameters\ Value Name: RefusePasswordChange Value Type: REG_DWORD Value: 0