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WN25-DC-000400 The Windows Server 2025 "Deny log on locally" user right on domain controllers must be configured to prevent unauthenticated access.

DISA STIG library V1R4
All changes in this version
first version loaded CAT II

Maps to AC-3 via CCI-000213

Title

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

Control

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)

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.

Related controls

CCI-000213

Fix

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.