batcmd.com Windows 7 Services

Link-Layer Topology Discovery Mapper I/O Driver - Windows 7 Service

Link-Layer Topology Mapper I/O Driver 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 Mapper I/O Driver
Service name:lltdio
Type:kernel
Path:%WinDir%\system32\DRIVERS\lltdio.sys
Error control:normal
Group:NDIS

Default Behavior

The Link-Layer Topology Discovery Mapper I/O Driver service is a kernel driver. If the Link-Layer Topology Discovery Mapper I/O Driver 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 lltdio service has failed to start.

Dependencies

If the Link-Layer Topology Discovery Mapper I/O Driver is stopped, the following services will not start and initialize:

Restore Default Startup Type for Link-Layer Topology Discovery Mapper I/O Driver

Automated Restore

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

2. Save the RestoreLinkLayerTopologyDiscoveryMapperIODriverWindows7.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 lltdio.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.