Windows 7 Services

Link-Layer Topology Discovery Responder - Windows 7 Service

Link-Layer Topology Responder Driver for NDIS 6 by Microsoft Corporation.

This service also exists in Windows 10, 8 and Vista.

Startup Type

Windows 7 edition without SP SP1
Starter Automatic Automatic
Home Basic Automatic Automatic
Home Premium Automatic Automatic
Professional Automatic Automatic
Ultimate Automatic Automatic
Enterprise Automatic Automatic

Default Properties

Display name:Link-Layer Topology Discovery Responder
Service name:rspndr
Error control:normal

Default Behavior

The Link-Layer Topology Discovery Responder service is a kernel driver. If the Link-Layer Topology Discovery Responder fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the rspndr service has failed to start.

Restore Default Startup Type of Link-Layer Topology Discovery Responder

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreLinkLayerTopologyDiscoveryResponderWindows7.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer to save changes.

Note. Make sure that the rspndr.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows 7 installation media.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.