SOLUTION: "Rasphone.pbk" located in the %SystemDrive%\Documents and Settings\All Users\Application Data\Microsoft\Network\Connections\Pbk folder, copy this file from the old computer to the new computer, then reboot to take effect.
WALK-THROUGH:
1. Locate the Rasphone.pbk file in the %SystemDrive%\Documents and Settings\All Users\Application Data\Microsoft\Network\Connections\Pbk folder.
*NOTE The Application Data folder is a hidden folder. To view the folder, follow these steps:
1. Open the All Users folder, and then click Folder Options on the Tools menu.
2. Click View, click Show hidden files and folders, and then click OK.
2. Copy the Rasphone.pbk to a safe location, and then copy the Rasphone.pbk file to the %SystemDrive%\Documents and Settings\All Users\Application Data\Microsoft\Network\Connections\Pbk folder on the other computer.
More information located at http://support.microsoft.com/?kbid=284269