Problems with ICS

G

Guest

Hi!

Since i spent a lot of time on this issue, and a lot of guessing, I felt
that i should share my experience for other users.

Internet Connection Sharing (ICS) is something that is used among a lot of
home users which do not have a stand-alone router. I have not been one of
them, until recently. Basicly, it's just to fill the box in the properties
window of the internet connection that you want to share with your local
network.

However, this did not work for me. Internet was not shared, and no DHCP
requests was answered by my XP Professional machine, so the computers of my
local network recieved neither an IP or access to the internet.

After several hours of searching, I found out that "ghost" network cards may
cause some problems with ICS. I know that I had another NIC in my machine
than the one I have now a few years ago. And when checking for hidden devices
in device manager, there it was. The networking diagnistics tool showed that
this old NIC was using the same IP as my new card.

However, no error message was given of this problem; the error mesage which
usually is given is described at this article which i found "by accident":
http://support.microsoft.com/kb/269155 . Two methods are described, and the
first one did not work for me (an error message was given : "Failed To
Uninstall the Device. The device may be required to boot up the computer.").

Method two, however, using the devcon command-line-utility, found at
http://support.microsoft.com/kb/311272/ , worked instantly, and after
unchecking the ICS box in the properties window and checking it again, the
DHCP kicked in and everything finally works smooth.

//T
 
R

Robert L [MVP - Networking]

Thank you for sharing your experience with us.

Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
Hi!

Since i spent a lot of time on this issue, and a lot of guessing, I felt
that i should share my experience for other users.

Internet Connection Sharing (ICS) is something that is used among a lot of
home users which do not have a stand-alone router. I have not been one of
them, until recently. Basicly, it's just to fill the box in the properties
window of the internet connection that you want to share with your local
network.

However, this did not work for me. Internet was not shared, and no DHCP
requests was answered by my XP Professional machine, so the computers of my
local network recieved neither an IP or access to the internet.

After several hours of searching, I found out that "ghost" network cards may
cause some problems with ICS. I know that I had another NIC in my machine
than the one I have now a few years ago. And when checking for hidden devices
in device manager, there it was. The networking diagnistics tool showed that
this old NIC was using the same IP as my new card.

However, no error message was given of this problem; the error mesage which
usually is given is described at this article which i found "by accident":
http://support.microsoft.com/kb/269155 . Two methods are described, and the
first one did not work for me (an error message was given : "Failed To
Uninstall the Device. The device may be required to boot up the computer.").

Method two, however, using the devcon command-line-utility, found at
http://support.microsoft.com/kb/311272/ , worked instantly, and after
unchecking the ICS box in the properties window and checking it again, the
DHCP kicked in and everything finally works smooth.

//T
 

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