Internet Connection Sharing (ICS) Resources 

Internet Connection Sharing Frequently Asked Questions 
This document contains frequently asked questions about Internet Connection Sharing.

Internet Connection Sharing How To Guide
This document contains how-to information about Internet Connection Sharing.

Practically Networked
This site contains the most complete "How-To" information for setting up Internet sharing found anywhere! Covers setting up and debugging home networks, selecting modem sharing methods, securing newly shared LAN, extensive troubleshooting information, tips on getting special applications to work through firewalls, and product reviews on Hardware Routers, Wireless and HomePNA LAN products, and more!

WebCast: Internet Connection Sharing Deployment and Functions  
Level:200 This WebCast provides a basic overview of configuration, limitations, and options that are available with Internet Connection Sharing (ICS). The session also discusses frequently asked questions and some of the basic configuration problems... 

How to Install and Configure Telephony Server for Client Access
Microsoft Knowledge Base Article: 259375 - Windows 2000 Server and Windows 2000 Advanced Server include a telephony server for distributed access to shared telephony devices. For example, a LAN-based server may have multiple connections to a local telephone switch or PBX. Telephony Application Programming Interface (TAPI) operations invoked by a client are forwarded over the network to the server. The server can then use a third-party call control between itself and the PBX to fulfill the client's call control requests. (updated 7/28/2000)

Security Features of Internet Connection Sharing 
Microsoft Knowledge Base Article: 241570 - Describes the security features of Internet Connection Sharing (ICS). Although ICS should not be considered a firewall for security purposes, you can use ICS to create a reasonably safe environment while providing full-featured Internet connectivity. 

Support WebCast: Internet Connection Sharing 
Microsoft Online Support WebCast discuss how Internet Connection Sharing works. Talks about how Internet Connection Sharing allows networked computers to share a single connection to the Internet and how you and others on your network can perform different tasks simultaneously. 

Support WebCast: Internet Connection Sharing Deployment and Functions 
Microsoft Online Support WebCast provides a basic overview of configuration, limitations, and options that are available with Internet Connection Sharing (ICS). The session also discusses frequently asked questions and some of the basic configuration problems to look out for. The WebCast also reviews some of the services and options that are available through ICS. 

Tips and Tricks for Windows 2000
Microsoft Knowledge Base Article Check here for the latest tips and tricks for Windows 2000

Cannot Use Shared Internet Connection While Connected to a VPN
Microsoft Knowledge Base Article: 247431 - When you are using a shared Internet connection for a local area network (LAN) on a computer running Microsoft Windows 2000 Professional and then establish a virtual private network (VPN) connection, the computers that are using the shared connection can no longer connect to the Internet. 

ICS May Not Function Properly with DNS or DHCP Server Services on the Same Computer
Microsoft Knowledge Base Article: 250603 - When you have a server running Dynamic Host Configuration Protocol (DHCP) or Dynamic DNS (DDNS), the Internet Connection Sharing (ICS) service may not function correctly or may cause some services to stop working. In addition, various error may be displayed.

Internet Connection Sharing Does Not Allow Other Users to Connect After You Log Off
Microsoft Knowledge Base Article: 289648 - When a computer that is running Windows 2000 Professional activates Internet Connection Sharing (ICS), local area network (LAN) clients can use the shared connection as long as that computer has the original user logged on. After the user logs off, the LAN clients can dial but cannot establish a connection.

Internet Connection Sharing Generates Error Message When IP Address 192.168.0.1 Is Already in Use
Microsoft Knowledge Base Article: 241769 - When you try to enable Internet Connection Sharing (ICS) on your Windows 2000-based computer on a network, you may receive the following error message: 

Internet Connection Sharing Problem with Multiple 3C905B Network Adapters
Microsoft Knowledge Base Article: 259336 - Access to your internal network may become slow when Internet Connection Sharing is enabled. This behavior can occur if the computer contains multiple 3Com PCI 3C905B network adapters all sharing the same IRQ.

Internet Connection Sharing Settings Are Not Migrated When You Upgrade to Windows 2000
Microsoft Knowledge Base Article: 269699 - After you upgrade from Microsoft Windows 98 Second Addition (SE) to Windows 2000, Internet Connection Sharing (ICS) no longer works. 

Internet Connection Sharing Tab Is Not Removed when Network Adapter Is Removed
Microsoft Knowledge Base Article: 247417 - When you enable shared access on one dial-up network connection on a computer running Microsoft Windows 2000 Professional, the Internet Connection Sharing tab appears on all dial-up network connections, regardless of whether you have enabled shared access for the connections. When you remove the adapter that is using the shared connection, the Properties dialog box for the connection still displays the Internet Connection Sharing tab. 

Windows 2000 with Internet Connection Sharing or Network Address Translation Drops Packets 
Microsoft Knowledge Base Article: 264883 - Client connections to resources that are made through a Windows 2000 host that is running Internet Connection Sharing (ICS) or Network Address Translation (NAT) may not work, but clients can ping the destination host.