You can determine whether you have any Web sites that are uniquely identified with an IP address by viewing the Properties sheet of the Web sites on your source server.
Credentials: Membership in the Administrators group on the local computer.
As a security best practice, log on to your computer using an account that is not in the Administrators group, and then use the Run as command to run IIS Manager as an administrator. At the command prompt, type runas /user:administrative_accountname "mmc %systemroot%\system32\inetsrv\iis.msc".
▸ To determine Web sites that are uniquely identified by an IP address in IIS 5.0
Open Administrative Tools, and then click ...