Unsigned driver installation behavior

Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options


Determines what should happen when an attempt is made to install a device driver (by means of the Windows 2000 device installer) that has not been certified by the Windows Hardware Quality Lab (WHQL).

The options are:

  • Silently succeed
  • Warn but allow installation
  • Do not allow installation

The default setting is to Warn but allow installation.