Remote Desktop Services must be configured with the client connection encryption set to the required level.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN12-CC-000100	WN12-CC-000100	WN12-CC-000100_rule		Medium

Description
Remote connections must be encrypted to prevent interception of data or sensitive information. Selecting "High Level" will ensure encryption of Remote Desktop Services sessions in both directions.

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

Details

Check Text ( C-WN12-CC-000100_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: MinEncryptionLevel Type: REG_DWORD Value: 3

Fix Text (F-WN12-CC-000100_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Security -> "Set client connection encryption level" to "Enabled" and "High Level".