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Chapter 12.  Users, Policies, Certificat... > Prevent unsigned drivers or services...

12.16. Prevent unsigned drivers or services from being installed

If other users have administrative access to your computer they can install applications and device drivers. In most cases that isn't bad per se, but someone installing a noncompatible or buggy driver could wreak havoc with your system.

Microsoft has implemented a new feature in Windows 2000 called driver signing that enables a driver developer to certify that its driver has been tested and certified by Microsoft. This helps protect against incompatible and buggy drivers and services by ensuring that the driver has been through a testing and certification process. When you install a driver, Windows 2000 checks the driver to determine if it has been signed. If not, Windows displays a warning message and gives you the option of installing the driver anyway. You can change this behavior to prevent unsigned drivers from being installed. You can also configure how Windows 2000 handles other non-driver installation (such as services).


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