Check the network location type and make sure it is in the private network.
This how to may help,
Understand Network Location Types
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
How to Setup Windows, Network, VPN & Remote Access on
"phani kumar" <firstname.lastname@example.org> wrote in message
>I am using Windows Vista Business edition.
> Recently I am facing problems with Local network when connected to the
> Internet. Unable to browse network when connected to internet. When I
> reboot after getting disconnected to internet, I have no problem browsing
> local network.
> My internet is broadband connection on a separate LAN card & local area
> network is on-board LAN (intel motherboard). Initially for a few days, I
> didnt have this problem, but recently I am getting this problem. I have
> not installed or removed any software in this period.
> Local lan is fixed IP (192.168.x.x series) & broad band is fixed IP from
> the service provider.
> Any help is appreciated.
> Phani Kumar