Windows Server 2019 Remote Desktop Services must be configured with the client connection encryption set to High Level.

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Standardizes and unifies compliance terms.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-205637	WN19-CC-000380	SV-205637r958408_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. Satisfies: SRG-OS-000033-GPOS-00014, SRG-OS-000250-GPOS-00093

STIG	Date
Microsoft Windows Server 2019 Security Technical Implementation Guide	2025-01-15

Details

Check Text (C-5902r354829_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: 0x00000003 (3)

Fix Text (F-5902r354830_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" with "High Level" selected.

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