Uninstalling IIS (IIS 6.0)
This topic describes how to uninstall IIS using either of the following 2 methods:
You must be a member of the Administrators group on the local computer to perform the following procedure or procedures. As a security best practice, log on to your computer by using an account that is not in the Administrators group, and then use the runas command to run IIS Manager as an administrator. At a command prompt, type runas /user:Administrative_AccountName "mmc systemroot\system32\inetsrv\iis.msc".
To uninstall IIS using the Configure Your Server Wizard
To uninstall IIS using Add or Remove a Windows Component in Control Panel
For more information about the Configure Your Server Wizard, see "Configuring Your Server Wizard" in Windows Help.