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WN22-CC-000380 Windows Server 2022 Remote Desktop Services must be configured with the client connection encryption set to High Level.

DISA STIG library V2R11
All changes in this version
first version loaded CAT II

Maps to AC-17(2) via CCI-000068, CCI-001453

Title

Windows Server 2022 Remote Desktop Services must be configured with the client connection encryption set to High Level.

Control

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)

Discussion

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

Related controls

CCI-000068, CCI-001453

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.