SV-25049r1: Domain Controller authentication is not required to unlock the workstation. | Windows 7 Security Technical Implementation Guide

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Assessment Title

Rule Text

Domain Controller authentication is not required to unlock the workstation.

Description

Discussion Text

This setting controls the behavior of the system when you attempt to unlock the workstation. If this setting is enabled, the system will pass the credentials to the domain controller (if in a domain) for authentication before allowing the system to be unlocked. This may cause a denial of service if the workstation looses connectivity to the domain controller.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000366CCE-8818-7

Additional Details

Third-Party Tools

Responsibility

System Administrator

References

DPMS Target Windows 7 DISA DPMS Target Windows 7 1712

Checks

OVAL

oval:mil.disa.fso.windows:var:369400 ← xccdf_mil.disa.stig_value_require_domain_controller_authentication_to_unlock_var

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

# Windows PowerShell
# Reconstructed from oval:mil.disa.fso.windows:def:3694
# Domain Controller authentication is not required to unlock the workstation.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# Verifies 'Interactive logon: Require Domain Controller authentication to unlock workstation' is set to 'Disabled'
# registry_object (registry_test)
function test_1 {
  return (((@{String='reg_sz';ExpandString='reg_expand_sz';Binary='reg_binary';DWord='reg_dword';MultiString='reg_multi_sz';QWord='reg_qword';None='reg_none'}[(Get-Item -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon').GetValueKind('ForceUnlockLogon').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon' -Name 'ForceUnlockLogon' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'ForceUnlockLogon') -eq 0))
}

if (test_1) {
  Write-Output "PASS"
} else {
  Write-Output "FAIL"
}

Assessment Script Powered by AISyntax-verified

A standalone PowerShell script to assess this control automatically. Review before running it in your environment.

Syntax-checked as valid PowerShell. Not executed here — running it for real needs the actual windows_7 target this check assesses.

# OVAL Definition: oval:mil.disa.fso.windows:def:3694
$registryPath = "HKLM:\Software\Microsoft\Windows NT\CurrentVersion\Winlogon"
$registryKey = "ForceUnlockLogon"
$registryValue = "0"
if (-Not (Test-Path $registryPath)) { exit 0 }
$regValue = Get-ItemProperty -Path $registryPath -Name $registryKey -ErrorAction SilentlyContinue
if ($regValue.$registryKey -eq $registryValue) { exit 0 } else { exit 1 }

Remediation

Workstations - Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Interactive logon: Require domain controller authentication to unlock workstation” to “Disabled”.