Policy

All Removable Storage classes: Deny all access

Configure access to all removable storage classes. This policy setting takes precedence over any individual removable storage policy settings. To manage individual classes, use the policy settings available for each class. If you enable this policy setting, no access is allowed to any removable storage class. If you disable or do not configure this policy setting, write and read accesses are allowed to all removable storage classes.

Policy
Pack Microsoft Windows
Category System / Removable Storage Access
Policy ID 52900f6916b9
Internal name RemovableStorageClasses_DenyAll_Access_2

Registry

Copy registry mappings

HKLM\Software\Policies\Microsoft\Windows\RemovableStorageDevices\Deny_All (enabled) = 1
HKLM\Software\Policies\Microsoft\Windows\RemovableStorageDevices\Deny_All (disabled) = 0

Policy notes

Configure access to all removable storage classes. This policy setting takes precedence over any individual removable storage policy settings. To manage individual classes, use the policy settings available for each class. If you enable this policy setting, no access is allowed to any removable storage class. If you disable or do not configure this policy setting, write and read accesses are allowed to all removable storage classes.

Related policies

All Removable Storage: Allow direct access in remote sessionsCD and DVD: Deny execute accessCD and DVD: Deny read accessCD and DVD: Deny write accessCustom Classes: Deny read accessCustom Classes: Deny write accessFloppy Drives: Deny execute access