STIGQter STIGQter: STIG Summary: Microsoft Windows Server 2022 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

Windows Server 2022 must prevent PKU2U authentication using online identities.

DISA Rule

SV-254472r991589_rule

Vulnerability Number

V-254472

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

WN22-SO-000280

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Network security: Allow PKU2U authentication requests to this computer to use online identities 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: \SYSTEM\CurrentControlSet\Control\LSA\pku2u\

Value Name: AllowOnlineID

Type: REG_DWORD
Value: 0x00000000 (0)

Vulnerability Number

V-254472

Documentable

False

Rule Version

WN22-SO-000280

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: \SYSTEM\CurrentControlSet\Control\LSA\pku2u\

Value Name: AllowOnlineID

Type: REG_DWORD
Value: 0x00000000 (0)

Check Content Reference

M

Target Key

5485