You can export the Metabase from the old machine using the "Encrypt backup using password" option and you could restore on any windows 2003 machine.
open Inetmgr -> Rightclick on machine name -> All Tasks -> Create/Restore Backup -> Click Create Backup -> Select Encrypt backup using password -> enter password and click ok
This file will be placed in the %windir%\system32\inetsrv\metaback folder.
Copy the new created files to the other machine to metaback folder and restore using the Inetmgr from the same menus