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Domain controllers must be configured to allow reset of machine account passwords.


Overview

Finding ID Version Rule ID IA Controls Severity
V-4408 WN12-SO-000091-DC SV-51141r2_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 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2020-06-16

Details

Check Text ( C-46575r2_chk )
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: RefusePasswordChange

Value Type: REG_DWORD
Value: 0
Fix Text (F-44298r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Domain controller: Refuse machine account password changes" to "Disabled".