Vista sees multiple networks in network center

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I found the unidentified network was a few persistent routes
Drop to a command prompt

type ROUTE PRINT

in normal situations you should only have 1 Persistent route

this is what I had
Persistent Routes:
Network Address Netmask Gateway Address Metric
0.0.0.0 0.0.0.0 10.0.0.120 Default
0.0.0.0 0.0.0.0 10.0.0.254 Default

I simply used ROUTE DELETE 0.0.0.0 10.0.0.120
disabled and enabled my NIC and all went back to normal.

you may need to delete any IPV6 routes also.

You would think that microsoft would have the stupid diagnose tool
actually investigate the routing table!

Source:
http://www.pcreview.co.uk/forums/showpost.php?s=2f91ba6743f6ad48276e309d9023d53e&p=12044577&postcount=23

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