What is "Extensible Authentication Protocol" in my Windows XP service list? And how is "Extensible Authentication Protocol" service related to eapsvc.dll?

"Extensible Authentication Protocol" is a Windows XP service that "The Extensible Authentication Protocol (EAP) service provides network authentication in such scenarios as 802.1x wired and wireless, VPN, and Network Access Protection (NAP). EAP also provides application programming interfaces (APIs) that are used by network access clients, including wireless and VPN clients, during the authentication process. If you disable this service, this computer is prevented from accessing networks that require EAP authentication." "Extensible Authentication Protocol" service is provided by eapsvc.dll DLL file.

Detailed information on "Extensible Authentication Protocol" service:

Service name: EapHost
Display name: Extensible Authentication Protocol
Execution command: C:\Windows\System32\svchost.exe -k netsvcs
Start type: Manual
Service status: Started
Dependencies:
   Remote Procedure Call (RPC)
   CNG Key Isolation

"Extensible Authentication Protocol" service is provided by a DLL file called: eapsvc.dll:

Name: eapsvc.dll
Location: C:\Windows\System32\eapsvc.dll
Description: Microsoft EAPHost service
File version: 6.1.7600.16385
Size: 96.0 KB (98,304 bytes)
Modified: Monday, July 13, 2009, 9:15:13 PM

Disabling "Extensible Authentication Protocol" service may cause issues when running Windows XP system.

⇒"svchost.exe -k netsvcs" Services on Windows XP

⇒⇒Windows XP Services Tutorials