The Deny access to this computer from the network user right on domain controllers must be configured to prevent unauthenticated access.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN12-UR-000017-DC	WN12-UR-000017-DC	WN12-UR-000017-DC_rule		Medium

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

STIG	Date
Microsoft Windows Server 2012 Domain Controller Security Technical Implementation Guide	2013-07-25

Details

Check Text ( C-WN12-UR-000017-DC_chk )
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 access to this computer from the network" user right, this is a finding: Guests Group

Fix Text (F-WN12-UR-000017-DC_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Deny access to this computer from the network" to include the following: Guests Group