Computers that share an Internet connection through an Internet Connection Sharing-enabled computer can no longer access that shared connection after you install Windows Live OneCare (914461)

RESOLUTION

To resolve this issue, enable UDP port 53 on the Internet Connection Sharing-enabled computer that has Windows Live OneCare Live installed. To do this, follow these steps:

1. Start Windows Live OneCare.
2. In the left pane, click View or change settings.
3. Click the Firewall tab, and then click Advanced settings under Other settings.
4. Click the Port and Protocols tab, and then click Add.
5. Specify the following information in the port options:

   Name: Internet Connection Sharing Port 67 for DHCP
   TCP or UDP: UDP
   Port Range: 67 to 67
   Direction: Inbound
   Scope: Local network (subnet)

6. Click OK.
7. Click Add again to add another port.
8. Specify the following information in the port options:

   Name: Internet Connection Sharing Port 68 for DHCP
   TCP or UDP: UDP
   Port Range: 68 To 68
   Direction: Outbound
   Scope: Local network (subnet)

9. Click OK.

The Internet Connection Sharing-enabled computer may function as a Dynamic Host Configuration Protocol (DHCP) server to distribute IP addresses to computers that share the Internet connection. In this situation, you must manually enable ports for DHCP assignment. To do this, follow these steps:

1. Start Windows Live OneCare.
2. In the left pane, click View or change settings.
3. Click the Firewall tab, and then click Advanced settings under Other settings.
4. Click the Port and Protocols tab, and then click Add.
5. Specify the following information in the port options:

   Name: Internet Connection Sharing Ports 67 and 68 for DHCP
   TCP or UDP: UDP
   Port Range: 67 to 68
   Direction: Inbound
   Scope: Local network (subnet)

6. Click OK.