Windows XP : Network Connections: right click Local Area Connection (under LAN or High-Speed Internet) and select Repair from the drop-down menu to renew its IP address from 169.254.99.176 to 192.168.0.x after becoming an ICS client.

Picture:  Repairing IP address of a Local Area Connection from Network Connections.
Will change from an APIPA IP address to 192.168.0.x after becoming an ICS client.

Back to Direct Ethernet Connection tutorial:
Troubleshooting tips - part 2