Microsoft Windows Server 2016

Local drives must be prevented from sharing with Remote Desktop Session Hosts

STIG ID: WN16-CC-000380 | SRG: SRG-OS-000138-GPOS-00069 | Severity: Medium | CCI: CCI-001090 | Vulnerability ID: V-224945

Description

Preventing users from sharing the local drives on their client computers with Remote Session Hosts that they access helps reduce possible exposure of sensitive data.

Check

If the following registry value does not exist or is not configured as specified, this is a finding.Registry Hive: HKEY_LOCAL_MACHINERegistry Path: \SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Value Name: fDisableCdmType: REG_DWORDValue: 0x00000001 (1)

Fix

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Remote Desktop Services >> Remote Desktop Session Host >> Device and Resource Redirection >> "Do not allow drive redirection" to "Enabled".