How To Install Windows Server 2003 or Windows XP Media Center Edition 2 CD from a bootable USB
Some Windows 2003 Server and Windows XP Media Center Edition installations requires second CD disc to be installed, but WinToFlash [The Bootable USB Creator] doesn't provide second CD disk selection when creating a bootable USB. The typical Windows Server 2003 2CD installation package looks like this (Windows XP Media Center looks the same):
Merge installation CDs
If asked for "autorun.inf file already exists, replace or skip" select skip.
Select resulting folder in WinToFlash
Don't check the Use my ISO..., WinToFlash will use your folder as a source.
On the page Process steps select Transfer all folders from original image
Click Run to start your bootable USB creation.
Windows 2003 Server R2 components installation
On the first boot point R2 installation wizard to folder $WIN_NT$.~LS on your USB drive: