Policy
Custom Classes: 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 custom removable storage classes. If you enable this policy setting, write access is denied to these removable storage classes. If you disable or do not configure this policy setting, write access is allowed to these removable storage classes.
Internal name
CustomClasses_DenyWrite_Access_2
Policy ID
86c7e0f47ed4
Elements
1
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\Custom\Deny_Write Value name Deny_Write | REG_DWORD | HKLM 1 | HKLM 0 |
Registry location
Path
Software\Policies\Microsoft\Windows\RemovableStorageDevices\Custom\Deny_Write
Value name
Deny_Write
Hive
HKLM
Enabled value
1
Disabled value
0
Policy elements
Inputs and configuration options exposed by this policy.
| Scope | Element | Type | Registry mapping | Constraints & behavior | Copy |
|---|---|---|---|---|---|
| Computer | GUID for custom removable storage class: ID CustomClasses_List | list | Path Software\Policies\Microsoft\Windows\RemovableStorageDevices\Custom\Deny_Write\List Value name Deny_Write Type REG_MULTI_SZ | List: additive |
GUID for custom removable storage class:
Registry mapping
Path
Software\Policies\Microsoft\Windows\RemovableStorageDevices\Custom\Deny_Write\List
Value name
Deny_Write
Type
REG_MULTI_SZ
Details
List: additive