The Enum subkey contains a database representing all devices installed on the computer and recognized by the system. The database in Enum stores configuration data for hardware devices independent of the drivers they use. This subkey is critical to the configuration of Plug and Play devices in Windows 2000.

Change method

To change device settings, use Device Manager.

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Users, including administrators, are not permitted to view or change the contents of the Enum subkey. These restrictions protect the integrity of the operating system and the devices on your computer.

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To display hidden devices, non–Plug and Play devices, and devices not attached to the computer (commonly known as ghosted or phantom devices), type set DEVMGR_SHOW_NONPRESENT_DEVICES=1 at the command line. Then, use Device Manager to remove or reconfigure these devices. Do not edit the registry. For more information, see Viewing Hidden Devices in the Windows 2000 Professional Resource Kit.

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Do not attempt to change the permissions on the Enum subkey. If you do, you might damage the sequence of inherited permissions in the registry. If you change the content of the Enum subkey, you can damage the Plug and Play functions of Windows 2000 and prevent devices from operating. If you must gain access to the Enum subkey, contact Microsoft Product Support Services.

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