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Tip: Use Network Mapping on Domains and Public Networks


By making changes through Group Policy, you can enable network mapping on domains, public networks, or both.To make this change, follow these steps:

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1. At a command prompt, type gpedit.msc to open the Local Group Policy Editor.(The Local Group Policy Editor is available on computers running the Professional, Enterprise, or Ultimate edition of Windows 7.These are also the only editions that can join a domain.)
2. Navigate to Computer Configuration\Administrative Templates\Network\Link-Layer Topology Discovery.
3. Double-click the Turn On Mapper I/O (LLTDIO) Driver policy.
4. Select Enabled, and then select Allow Operation While In Domain.
5. Click Next Setting.
6. Repeat the selections for the Turn On Responder (RSPNDR) Driver policy setting, and then click OK.

Note that, depending on the size of the network, creating a network map on a domain-based network can be inordinately slow, which is why it is disabled by default.

Also note that you can use these same policy settings to enable network mapping on a pub¬lic network and, if you want, disable network mapping on a private network. For secu¬rity and convenience, however, we don’t recommend either of these options.

From the Microsoft Press book Windows 7 Inside Out by Ed Bott, Carl Siechert, and Craig Stinson.

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