The Deny log on through Terminal Services user right on domain controllers must be configured to prevent unauthenticated access.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26486	WINUR-000021-DC	SV-47143r1_rule		Medium

Description
Inappropriate granting of user rights can provide system, administrative, and other high level capabilities. The "Deny log on through Terminal Services" right defines the accounts that are prevented from logging on using Terminal Services. The Guests group must be assigned this right to prevent unauthenticated access.

STIG	Date
Windows 2008 Domain Controller Security Technical Implementation Guide	2019-06-18

Details

Check Text ( C-44738r2_chk )
Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> User Rights Assignment. If the following accounts or groups are not defined for the "Deny log on through Terminal Services" right, this is a finding. Guests Group

Fix Text (F-41038r3_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Deny log on through Terminal Services" to include the following. Guests Group