Microsoft Windows Server 2019

Windows Server 2019 domain controllers must be configured to allow reset of machine account passwords

STIG ID: WN19-DC-000330 | SRG: SRG-OS-000480-GPOS-00227 | Severity: Medium | CCI: CCI-000366 | Vulnerability ID: V-205876

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.

Check

C-6141r355990_chk

This applies to domain controllers. It is NA for other systems.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: RefusePasswordChangeValue Type: REG_DWORDValue: 0x00000000 (0)

Fix

F-6141r355991_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".