STIGQter: STIG Summary: Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide Version: 3 Release: 2 Benchmark Date: 04 May 2021:

Local users on domain-joined computers must not be enumerated.

DISA Rule

SV-226170r569184_rule

Vulnerability Number

V-226170

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

WN12-CC-000051

Severity

CAT II

CCI(s)

• CCI-000381 - The organization configures the information system to provide only essential capabilities.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Logon -> "Enumerate local users on domain-joined computers" to "Disabled".

Check Contents

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: \Software\Policies\Microsoft\Windows\System\

Value Name: EnumerateLocalUsers

Type: REG_DWORD
Value: 0

Vulnerability Number

V-226170

Documentable

False

Rule Version

WN12-CC-000051

Severity Override Guidance

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: \Software\Policies\Microsoft\Windows\System\

Value Name: EnumerateLocalUsers

Type: REG_DWORD
Value: 0

Check Content Reference

M

Target Key

4217

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