Win XP SP3 PC not displayed in Windows 7 network diagram but accessible. Why?

Win XP SP3 PC not displayed in Windows 7 network diagram but accessible. Why? "I've got a new Windows 7 PC added to my LAN. I have two Windows XP (SP3) PCs connected to it also and one of them is visible but when I go into: Control Panel>Network and Internet>Network Map that XP machine is listed as ""discovered device(s) could not be placed on map."
Asked by: Guest \| Views: 370

Total answers/comments: 1

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Guest [Entry]

The Windows XP machine that doesn't show up had Simple Network Sharing enabled. Turned that off, restarted it and now it shows up.