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Remote Desktop Services must limit users to one remote session.


Overview

Finding ID Version Rule ID IA Controls Severity
V-3449 WN12-CC-000131 SV-52216r1_rule ECLO-1 ECLO-2 Medium
Description
Allowing multiple Remote Desktop Services sessions could consume resources. There is also potential to make a secondary connection to a system with compromised credentials.
STIG Date
Windows Server 2012 Domain Controller Security Technical Implementation Guide 2014-01-07

Details

Check Text ( C-46962r1_chk )
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: \Software\Policies\Microsoft\Windows NT\Terminal Services\

Value Name: fSingleSessionPerUser

Type: REG_DWORD
Value: 1
Fix Text (F-45235r2_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Connections -> "Restrict Remote Desktop Services users to a single Remote Desktop Services Session" to "Enabled".