Windows - Enable "Write Protect" for USB keys

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To prevent users from copying data to a USB key, from any particular computer running under Windows OS, here's a simple trick:
  • Select Start > Run > type "regedit" and press the Enter key
  • Look for the following key
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control
  • Create a new key and rename it as "StorageDevicePolicies".
  • Select "StorageDevicePolicies" key, right-click > New> DWORD value and rename the later "WriteProtect".
  • Set its value to "1" to prevent users from copying data to USB keys.
  • To revert the changes set the value to "0"
Jean-François Pillou

Jean-François Pillou - Founder of CCM
Better known as Jeff, Jean-François Pillou is the founder of He is also CEO of CCM Benchmark and digital director at the Figaro Group.

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