Windows Server 2019 Remote Desktop Services must prevent drive redirection.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-205722 | WN19-CC-000350 | SV-205722r958524_rule | CCI-001090 | medium |
| 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. | ||||
| STIG | Date | |||
| Microsoft Windows Server 2019 Security Technical Implementation Guide | 2025-05-23 | |||
Details
Check Text (C-205722r958524_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: fDisableCdm
Type: REG_DWORD
Value: 0x00000001 (1)
Fix Text (F-5987r355085_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".