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Windows 7: The Ultimate Fix to get Topology Map to Work

20 Jul 2016   #1

Win 7 SP1 Professional 64 bit
The Ultimate Fix to get Topology Map to Work

As many others have found, the topology mapping function is a difficult thing to get working.

Indeed, I must have spent some twenty-four hours collectively and tried at least a dozen different methods to get Link-Layer Topology mapping to work correctly.

Today, I stumbled into a fix.

What I found was that using Local Security Policy, Network List Manager Policies to properly name the broadband and wireless networks that I am using that the mapping function now WORKS. I use a modem/router with Wifi on a Centurylink DSL line.

To access Local Security Policy, access the "run" command and type uscpol.msc. Then select, Network List Manage Policies. Select this and you should see a list of the networks in use. Fix your WiFi connection for its correct name and make it public. Fix your broadband connection for its correct name and make it private.

That is all I did, and the Link Layer map now properly appears on both my Win 7 computers.

Of course, you have to have both Link-Layer Topology Discovery Mapper I/O Driver and Link-Layer Topology Discovery Responder selected on the properties tab of the Local Area Connection adapter.

Good Luck.

My System SpecsSystem Spec

 The Ultimate Fix to get Topology Map to Work

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