What is "Link-Layer Topology Discovery Mapper" in my Windows 7 service list? And how is "Link-Layer Topology Discovery Mapper" service related to lltdsvc.dll?

"Link-Layer Topology Discovery Mapper" is a Windows 7 service that "Creates a Network Map, consisting of PC and device topology (connectivity) information, and metadata describing each PC and device. If this service is disabled, the Network Map will not function properly." "Link-Layer Topology Discovery Mapper" service is provided by lltdsvc.dll DLL file.

Detailed information on "Link-Layer Topology Discovery Mapper" service:

Service name: lltdsvc
Display name: Link-Layer Topology Discovery Mapper
Execution command: C:\Windows\System32\svchost.exe -k LocalService
Start type: Manual
Service status: Stopped
Dependencies:
   Link-Layer Topology Discovery Mapper I/O Dirver
   Remote Procedure Call (RPC)

"Link-Layer Topology Discovery Mapper" service is provided by a DLL file called: lltdsvc.dll:

Name: lltdsvc.dll
Location: C:\Windows\System32\lltdsvc.dll
Description: Link-Layer Topology Mapper Service
File version: 6.1.7600.16485
Size: 185 KB (189,952 bytes)
Modified: Monday, July 13, 2009, 9:15:36 PM

Disabling "Link-Layer Topology Discovery Mapper" service may cause issues when running Windows 7 system.

⇒ "Network List Service - netprofm.dll" Service on Windows 7

⇐ "Function Discovery Provider Host - fdphost.dll" Service on Windows 7

⇑ 'svchost.exe -k LocalService' Services on Windows 7

⇑⇑ Windows 7 Services Tutorials