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Losing Network Connections


I have a home network with a pc (windows xp), a windows home server, an imac, and a macbook pro, i recently added a pc with windows 7 64-bit. When the windows 7 pc starts, it discover all machines in the network, and i am able to access all the share files and folders in every machine, in other words everything works like is supposed to work.

After maybe 30 minutes or more i loose connection of the xp machine and apple machines from the window 7 pc, the network computers are still there, but i can not access the files, i have to do a restart to fix it. In the midtime when this happens if i go to the router settings page everything is fine, and from the others computers i can see and access the windows 7 files. Why is this happening. Does tcp/ipv6 has to be enable?


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No Network Connections

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