Removable Disks: Deny write access
- Policy ID
- RemovableDisks_DenyWrite_Access_1
- Scope
- User Configuration
- Supported on
- At least Windows Vista
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- System › Removable Storage Access
Description
This policy setting denies write access to removable disks.
If you enable this policy setting, write access is denied to this removable storage class.
If you disable or do not configure this policy setting, write access is allowed to this removable storage class.
Note: To require that users write data to BitLocker-protected storage, enable the policy setting "Deny write access to drives not protected by BitLocker," which is located in "Computer Configuration\Administrative Templates\Windows Components\BitLocker Drive Encryption\Removable Data Drives."
Registry
UserHKEY_CURRENT_USER
HKCU\Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b} View registry values
- Deny_WriteREG_DWORD