Wired AutoConfig (Dot3svc) Service Defaults in Windows XP

This service performs IEEE 802.1X authentication on Ethernet interfaces.

Default Settings

Startup type:Manual
Display name:Wired AutoConfig
Service name:Dot3svc
Service type:share
Error control:normal
Path:%SystemRoot%\System32\svchost.exe -k dot3svc
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dot3svc

Default Behavior

Wired AutoConfig is a Win32 service. In Windows XP it won't start until the current user starts it. When the Wired AutoConfig service is started, it is running as localSystem in a shared process of svchost.exe. Other services and drivers are allowed to run in the same process. If the Wired AutoConfig fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the Dot3svc service has failed to start.


Wired AutoConfig depends on the following system components:

Restore Default Startup Configuration for Wired AutoConfig

1. Select your Windows XP edition, and then click Download.

2. Save the WinXP_Dot3svc_Service_Startup.cmd file to a local storage device.

3. Run the saved file.

4. Restart the computer.

The Dot3svc service is using the dot3svc.dll file that is located in the %WinDir%\System32 folder. If the file is changed, damaged or deleted, you can restore its original version from Windows XP installation media.