Controlling block storage devices on USB buses


What does controlling block storage devices on USB buses do?


This feature provides the ability to set a registry key that will prevent write operations to USB block storage devices, such as memory sticks. When this registry key is enabled, the devices function only as read-only devices. You can implement this setting as part of a security strategy to prevent users from transporting data using these devices.


Who does this feature apply to?











Users who do not want data to be written from their computer to a USB storage device.



IT professionals who want to implement organization controls over the use of USB block storage devices


What settings are added or changed in Windows XP Service Pack 2















Setting name


Location


Default value


Possible values


WriteProtect


HKEY_LOCAL_MACHINE\System\
CurrentControlSet\Control \StorageDevicePolicies


WriteProtect=0


0 – Disabled


1 – Enabled


 

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