How to Use Group Policy to Disable Unsigned Drivers


According to, driver signing refers to "code signing a software driver to ensure its identity and integrity." Driver signing ensures that drivers have not been modified from the time of their original creation. In a domain environment, you can block the installation of unsigned drivers through a group policy setting. Change this setting locally on a Windows XP machine or at the domain level on a Windows Server.

  • Click on "Start" and then "Run".

  • Type "gpedit.msc" into the run box and click "OK." If you don't have a run box, type it into the search box and press "Enter."

  • Click on the "Windows Settings" folder.

  • Double-click on the "Security Settings" icon, which is found in the middle panel.

  • Double-click on the "Account Policies" folder.

  • Double-click on the "Security Options" folder.

  • Double-click on the "Devices: Unsigned Driver Installation Behavior" text.

  • Select the "Block" option from the drop-down box, and click "OK."

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