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Article ID: 947250 - Last Review: February 9, 2008 - Revision: 1.2

INTRODUCTION

The "Devices: Unsigned driver installation behavior" Group Policy setting does not appear in the Local Group Policy Editor user interface (UI) on a computer that is running Windows Vista. Therefore, you cannot apply a Group Policy that has this Group Policy setting from the Windows Vista-based computer to a client computer that is running an earlier version of a Microsoft operating system.

Note In Microsoft operating systems that are earlier than Windows Vista, the "Devices: Unsigned driver installation behavior" Group Policy setting exists in the following location:
Local Computer Policy\Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options\Devices: Unsigned driver installation behavior
This article describes how to let a user apply a Group Policy that has the "Devices: Unsigned driver installation behavior" Group Policy setting from a Windows Vista-based computer to a client computer that is running an earlier version of a Microsoft operating system.

MORE INFORMATION

To let a user apply a Group Policy that has the "Devices: Unsigned driver installation behavior" Group Policy setting, modify the Sceregvl.inf file, and then reregister the Scecli.dll file. To do this, follow these steps:
  1. Back up the Sceregvl.inf file to a known location.
  2. In Notepad, open the Sceregvl.inf file.
  3. Add the following text to the [Register Registry Values] section:
    MACHINE\Software\Microsoft\Driver Signing\Policy,3, "Devices: Unsigned driver installation behavior",3,0| DriverSigning0="Silently succeed ",1|"Warn but allow installation",2|"Do not allow installation"
  4. Save the changes.
  5. At a command prompt, type the following command:
    regsvr32 scecli.dll

APPLIES TO
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
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