Windows 7 Network Identification

Hi,

I have a windows 7 Ult PC that I cannot get connected to the internet at one location (others work fine).  When I plug my PC into the network I get an IP from the DHCP server then Windows will try to "identify" the network.  It will sit for 30secs or so.  Then put it in a Unidentified network with no Internet Acess.  At this point I cannot ping anything on my LAN or WAN.  

The odd part is this laptop used to work but it quit for some reason.    

I have other Windows 7 machines on this network that work and some that dont so I am a little puzzled on what the issue could be.

Network is all Cisco devices (firewall, router, and switches)

Thanks,
Mitchell
LVL 1
RSMTECH_KCAsked:
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from_expCommented:
what is more interesting is ip address/mask/gw settings on that PC and how ip addresses are provided to laptops: static or DHCP. and what kind of media does that laptop use: wireless or wired?
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RSMTECH_KCAuthor Commented:
its a wired connection.  ip given by windows server 2003.  i know the ip mask and gw are right. as thhe other 100 PCs i manage work fine.
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from_expCommented:
are you sure, that that particular laptop ip settings are correct, when windows is showing you "no internet access"?
can you ping router from that PC
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RSMTECH_KCAuthor Commented:
im postive!!

it has to be something more complex than that.  im a ccna so i get how networks behave and this is a issue inside win7
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from_expCommented:
don't take it too personal, just old schoolish "check cables first"

do you have any 3rd party AV/FW applications on that PC? 3rd party VPN client?
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RSMTECH_KCAuthor Commented:
I found the issue.  The switch had port security enabled and I had plugged into a port that learned my MAC.  This caused the Cisco switch to crate a static entry in its MAC Address Table and not allow another port to replace that entry.
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Windows 7

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