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

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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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
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