Extensible Authentication Protocol Service (EapHost) Defaults in Windows XP

Provides windows clients Extensible Authentication Protocol Service.

Default Settings

Startup type:Manual
Display name:Extensible Authentication Protocol Service
Service name:EapHost
Service type:share
Error control:normal
Object:localSystem
Path:%SystemRoot%\System32\svchost.exe -k eapsvcs
File:%SystemRoot%\System32\eapsvc.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EapHost

Default Behavior

Extensible Authentication Protocol Service is a Win32 service. In Windows XP it won't start until the current user starts it. When the Extensible Authentication Protocol 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 Extensible Authentication Protocol Service 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 EapHost service has failed to start.

Dependencies

Extensible Authentication Protocol Service depends on the Remote Procedure Call (RPC) service.

The Wired AutoConfig depends on the Extensible Authentication Protocol Service service.

Restore Default Startup Configuration for Extensible Authentication Protocol Service

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

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

3. Run the saved file.

4. Restart the computer.

The EapHost service is using the eapsvc.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.