Regional setting and network setting
It maintains existing settings and applications.
Start->All Programs->Accessories->System Tools->File and Settings Transfer Wizard
Registry
image - based installation
winnt.sif
TCP/IP, Client and File and Printer Sharing.
winnt.sif
It will default to an automatic IP address once the PC is booted up
The Registry
The distribution server share will need to contain the installation files from the I386 folder on the Windows XP Professional CD-ROM.
Windows Installation Policy
Upgrades your previous version of Windows 98, Windows ME, Windows NT 4.0, or Windows 2000 in unattended setup mode. All user settings are taken from the previous installation, so no user intervention is required during setup