STIGQter: STIG Summary: Microsoft Windows 11 Security Technical Implementation Guide Version: 2 Release: 8 Benchmark Date: 01 Jul 2026:

The Remote Desktop Session Host must require secure RPC communications.

DISA Rule

SV-253405r991554_rule

Vulnerability Number

V-253405

Group Title

SRG-OS-000250-GPOS-00093

Rule Version

WN11-CC-000285

Severity

CAT II

CCI(s)

• CCI-001453 - Implement cryptographic mechanisms to protect the integrity of remote access sessions.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Remote Desktop Services >> Remote Desktop Session Host >> Security "Require secure RPC communication" to "Enabled".

Check Contents

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: fEncryptRPCTraffic

Value Type: REG_DWORD
Value: 1

Vulnerability Number

V-253405

Documentable

False

Rule Version

WN11-CC-000285

Severity Override Guidance

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: fEncryptRPCTraffic

Value Type: REG_DWORD
Value: 1

Check Content Reference

M

Target Key

5471