1)
http://support.microsoft.com/kb/302573/en-us
Обращаем внимание на NOTE: This backup method provides a way to restore only your IIS settings, not your content files.
This backup method does not work if you reinstall your operating system. Backup files cannot be used to restore an IIS configuration on other computers that are running Windows 2000.
2)
http://support.microsoft.com/kb/840671/en-us
Там есть ссылка на IIS migration tool.
