Microsoft® Windows® Desktop Deployment Resource Kit

Using UDB Files

When creating a fully unattended installation of Windows XP Professional to numerous computers, some of the information that you provide in an answer file is unique to each computer. For example, the computer name must be unique. With Windows XP Professional, you can use a single answer file that contains information for all users and computers and then a Uniqueness Database (UDB) file that provides information specific to a single computer or a small group of computers.

UDB files contain replacement sections for or specific additional sections to an answer file. The replacement sections have formats similar to normal answer files. In essence, Windows XP Setup merges the UDB file with the answer file at the start of the GUI-mode ...