Enabling internet connection sharing windows server 2003

Click the General tab, click Obtain an IP address automatically , and then click Obtain DNS server address automatically if these options are not already selected. Note that ICS provides these settings. However, Dial-up Networking typically has a lower bandwidth connection.

This connection is not as useful when multiple computers share the connection. Additionally, Dial-up Networking is not persistent you have to manually dial up to make a connection and can cause initial delays when you connect to hosts on the Internet. Troubleshooting Note the following items to prevent issues from occurring when you configure ICS: Do not connect a hub directly to your DSL or cable modem.

If you do so, your internal network is vulnerable to other computers located on the Internet. If you do connect a computer directly to a DSL or cable modem, make sure that you turn off file and printer sharing to limit your vulnerability from the Internet.

However, when you do so, your network is prevented from sharing files and printers, which may be your primary reason for networking in the first place. If you do, by default all traffic from the ICS computer, including traffic from local area network clients, will be forwarded over the VPN connection to the corporate network. This means that Internet resources will no longer be reachable, and all the client computers will be sending data over the logical connection created with the credentials of the ICS computer user.

To install another Ethernet adapter to the ICS host computer, you must log on as a member of the Administrators group. When you click Finish , the installation of the network adapter that you just installed is completed. Log on as member of the Administrators group to set up the ICS host computer. Right-click Local Area Connection the network card that you just installed , and then rename it The Internet Connection. Right-click The Internet Connection , and then click Properties.

Click the Advanced tab, and then click to select the Enable Internet Connection Sharing for this Connection check box. Make sure that firewall software or other Internet sharing software from any third-party manufacturer have been removed. Because there are several versions of Windows, the following steps may be different on your computer. Do not enable both receive-side scaling and Internet Connection Sharing at the same time. To disable receive-side scaling in the network adapter driver in Windows Server , follow these steps:.

To determine whether receive-side scaling is enabled in Windows Vista, type the following command at a command prompt: netsh interface tcp show global. If you want us to do this for you automatically, click the Fix this problem link.

Then click Run in the File Download dialog box, and follow the steps in this wizard. This wizard may be in English only; however, the automatic fix also works for other language versions of Windows. A form of dynamic NAT, it maps multiple unregistered IP addresses to a single registered IP address, but in this case uses different ports. For example, IP address This when addresses in the inside network overlap with addresses in the outside network - the IP addresses are registered on another network too.

The router must maintain a lookup table of these addresses so that it can intercept them and replace them with registered unique IP addresses. It is also a means of saving IP addresses by having one IP address represent a group of computers. Now press next and the RRAS setup wizard will open. The screen below shows the Internet Connection screen in which you must specify which type of connection to the Internet and whether or not you want the basic firewall feature to be enabled.

Press next to continue. The installation process will commence and services will be restarted, after which the finish screen will be displayed - showing what actions have taken place.

Select which interface you wish to configure and double click it.