Policy
Removable Disks: Deny write access
Microsoft Windows
Policy overview
Key metadata and intent for this policy.
Supported OS tags: Windows10, Windows10RT, Windows11, Windows7, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2008, WindowsServer2012, WindowsServer2012R2, WindowsServer2016, WindowsVista
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 values
How enabled and disabled states update the registry.
| Scope | Registry location | Type | Enabled value | Disabled value | Copy |
|---|---|---|---|---|---|
| Computer | Path Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b} Value name Deny_Write | REG_DWORD | HKLM 1 | HKLM 0 |
Policy elements
Inputs and configuration options exposed by this policy.
This policy has no additional user input fields.