Are you making these changes in Control Panel, Network and sharing center,
Manage network connections?
> For some reason (network problem) I change my network connection from
> "obtaining an IP address automaticaly" to "Use the following address".
> Now, I want to change again and set tcp/ip to "obtain IP automatically" ...
> So easy ... but NO WAY to set it back.
> I already regboot 10 times my machine and the configuration come always back
> the static address I enter before.
> I can change the static address but NEVER come back to "obtain IP
> automatically" (the same for the DNS part).
> Pleaaaaseeee any help from microfot or other ... it sounds like a bug but I
> can't connect to my networks anymore ...
> Vista english RC1
> Many thanks ...