STIGQter: STIG Summary: Microsoft Windows Server 2025 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2026:

Windows Server 2025 local users on domain-joined member servers must not be enumerated.

DISA Rule

SV-278179r1182284_rule

Vulnerability Number

V-278179

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

WN25-MS-000030

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission 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

This applies to member servers. For domain controllers and stand-alone or nondomain-joined systems, this is not applicable.

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: 0x00000000 (0)

Vulnerability Number

V-278179

Documentable

False

Rule Version

WN25-MS-000030

Severity Override Guidance

This applies to member servers. For domain controllers and stand-alone or nondomain-joined systems, this is not applicable.

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: 0x00000000 (0)

Check Content Reference

M

Target Key

5719