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V-278171

CAT II (Medium)

The Windows Server 2025 "Deny log on locally" user right on domain controllers must be configured to prevent unauthenticated access.

Rule ID

SV-278171r1182144_rule

STIG

Microsoft Windows Server 2025 Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-000213

Discussion

Inappropriately granting user rights provides system, administrative, and other high-level capabilities. The "Deny log on locally" user right defines accounts that are prevented from logging on interactively. The Guests group must be assigned this right to prevent unauthenticated access.

Check Content

This applies to domain controllers. A separate version applies to other systems.

Verify the effective setting in Local Group Policy Editor.

Run gpedit.msc.

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment.

If the following accounts or groups are not defined for the "Deny log on locally" user right, this is a finding:
- Guests Group.

For server core installations, run the following command:

Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt

Review the text file.

If the following SID(s) are not defined for the "SeDenyInteractiveLogonRight" user right, this is a finding:

S-1-5-32-546 (Guests)

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> Deny log on locally to include the following:
- Guests Group.