Link-Layer Topology Discovery Responder (rspndr) Service Defaults in Windows 8

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

Default Settings

Startup type:Automatic
Display name:Link-Layer Topology Discovery Responder
Service name:rspndr
Service type:kernel
Error control:normal
Group:NDIS
Path:%SystemRoot%\system32\DRIVERS\rspndr.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\rspndr

Default Behavior

The Link-Layer Topology Discovery Responder service is a kernel device driver. In Windows 8 it is starting automatically during the operating system startup. If Link-Layer Topology Discovery Responder fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the rspndr service hasn't been started.

Restore Default Startup Configuration for Link-Layer Topology Discovery Responder

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_rspndr_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The rspndr service is using the rspndr.sys file that is located in the %WinDir%\system32\DRIVERS folder. If the file is corrupted or deleted, you can put it back in there.