To achieve synchronization with an AD LDS/ADAM instance, you need the following items installed on one or more computers running Windows Server 2003 or Windows Server 2008.
An Identity Manager server or Remote Loader where the Active Directory driver is configured.
Internet Information Services (IIS) (must be installed before Certificate Services)
Certificate Services
A certification authority (can be your own standalone CA configured when you install Certificate Services)
An AD LDS/ADAM instance (this example in this section uses a standalone instance)