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

Windows Server 2025 domain controllers must require LDAP access signing.

DISA Rule

SV-278163r1182132_rule

Vulnerability Number

V-278163

Group Title

SRG-OS-000423-GPOS-00187

Rule Version

WN25-DC-000320

Severity

CAT II

CCI(s)

• CCI-002418 - Protect the confidentiality and/or integrity of transmitted information.
• CCI-002421 - Implement cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Domain controller: LDAP server signing requirements Enforcement to "Not Configured" or "Enabled".

Check Contents

This applies to domain controllers. It is not applicable 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\NTDS\Parameters\

Value Name: LDAPServerIntegrity

Value Type: REG_DWORD
Value: 0x00000002 (2)

Vulnerability Number

V-278163

Documentable

False

Rule Version

WN25-DC-000320

Severity Override Guidance

This applies to domain controllers. It is not applicable 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\NTDS\Parameters\

Value Name: LDAPServerIntegrity

Value Type: REG_DWORD
Value: 0x00000002 (2)

Check Content Reference

M

Target Key

5719