How to Disable/Enable USB storage device without affecting USB keyboard and mouse

Using registry editor:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor

Changed the value of 'Start' to '4' from '3'.

However, I only managed to blocked usb storage devices that were already installed once, but new storage device will just install and become usable and reset the registry setting. (the registry value of 'Start' resets to '3')

How to restrict USB storage device without affecting USB keyboard and mouse.

Introduction

Go through following steps to restrict USB storage device access without affecting functional devices such as mouse and keyboard.

1.Go to Group Policy Editor

By searching gpedit.msc on start menu and press enter.

2.Select Removable Storage Access

On popup window, go to Computer Configuration > Policies / Administrative Templates > System > Removable Storage Access

Removable Disks: Deny execute access

Removable Disks: Deny read access

Removable Disks: Deny write access

Test Now plug a storage device and try to open, It cant proceed any action.