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Windows XP Service Pack 3-based computers in a private network that uses Internet Connection Sharing may lose network connectivity after you change the network adapter settings of the private adapter on the Internet Connection Sharing computer
Article ID: 951446 - View products that this article applies to.
On a Windows XP Service Pack 3 (SP3)-based computer that is part of a private network, you configure Internet Connection Sharing and Windows Firewall. Then, you perform one of the following actions:
This issue occurs because Internet Connection Sharing loses the firewall port exception configurations when you change the network adapter settings on the Internet Connection Sharing host. Therefore, all the data packets from the private network are dropped.
To resolve this issue, use one of the following methods.
Method 1: Use the "net start sharedaccess" command to restart the "Windows Firewall/Internet Connection Sharing" service
Method 2: Use Microsoft Management Console to restart the "Windows Firewall/Internet Connection Sharing" service