Vista unable to see Windows xp systems on network
Published by exdone
Posted on January 01, 2008
reference : http://support.microsoft.com/kb/922120
This problem occurs if the Link-Layer Topology Discovery (LLTD) Responder component is not installed on the Windows XP-based computer.
Network Map in Windows Vista makes network diagrams of the connections between network devices that can be used to troubleshoot connectivity problems. Network Map uses a discovery protocol called Link-Layer Topology Discovery (LLTD) that queries other devices on the network to determine how the network is organized.
Windows Vista includes the software components that implement the LLTD protocol. For other devices on the network to be displayed on the map, they must enable a discovery protocol that can respond to the mapping requests from the Windows Vista-based computer.
Solution:
To resolve this problem, install the update that is described in this section. The update installs the LLTD Responder component on Windows XP-based computers. The following file is available for download from the Microsoft download center:
Download the Windows XP package now.
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