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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 | 2012-09-05 |
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 |