I would check if there is any new firmware for the router or new driver for
the NIC. Or this search result may help.
Resolution of Vista Unidentified NetworkThe Vista Unidentified Network or
Limited Connectivity could be hardware, TCP/IP configuration or security
issues. The following are some resolutions. ...
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
How to Setup Windows, Network, VPN & Remote Access on
"Candace Sparks" <firstname.lastname@example.org> wrote in message
> We have built quite a few systems running Windows Vista Business. After
> OS installation and updates, the computer is not getting an IP address
> the router. It is getting the non-routable 169.........address. It is
> all of the systems, just a few. We have tried to no avail solving this
> problem, and end up formatting and starting over; a client has called
> he cannot get to the Internet with his new computer. I asked him to check
> his IP address and it was the 169........ When the computer left the shop
> it was connecting to the Internet just fine.
> We are really frustrated!!! Is this a VISTA problem, and update problem or
> Thank you for your help in advance!!
> Candace Sparks