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Double-click the Turn On Mapper I/O (LLTDIO) Driver policy, select Enabled, and then select Allow Operation While In Domain.Navigate to Computer Configuration\Administrative Templates\Network\Link-Layer Topology Discovery.The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol used by network devices for advertising their identity, capabilities, and neighbors on a local area network based on IEEE 802 technology, principally wired Ethernet.Įnable Network Mapping on Domain and Public Networks Link-Layer Topology Discovery: The Link-Layer Topology Discovery service is a kernel mode driver. Microsoft LLDP Protocol Driver: The Link Layer Discovery Protocol (LLDP) is a link layer protocol used by network devices for advertising their identity, capabilities and neighbors on an IEEE 802 local area network. What is Microsoft LLDP protocol driver used for? You may change the default behavior through local (as well as site, domain, or OU based Group Policy). Individual users with administrative rights may also disable the ability to map their computers, regardless of Network profile, by merely disabling the Link-Layer Topology Discovery Responder. Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Link-Layer Topology Discovery -> “Turn on Mapper I/O (LLTDIO) driver” to “Disabled”. Can I disable Link-Layer Topology Discovery Mapper?ĭetails. Windows Vista, Windows Server 2008, and Windows 7 computers can natively populate the Network Map. The Link-Layer Topology Discovery (LLTD) is a component of the Windows networking implementation that allows computers and other devices to be represented on a map.

What is Link-Layer Topology Discovery Responder? Used to identify your computer to other computers connected to your local network.

Used to discover other computers connected to your local network. Should I disable Link-Layer Topology Discovery?ĭo not disable this protocol. This means that a driver has direct access to the internals of the operating system, hardware etc. A driver is a small software program that allows your computer to communicate with hardware or connected devices. LLTDIO stands for Link-Layer Topology Mapping Driver for I/O. Can I disable Link-Layer Topology Discovery Mapper?.