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As you may know or may not know Exchange's EDGE role requires operating server that is not member of active directory. So how EDGE server knows info about recipient, configuration, and schema? One of the requirements before installing EDGE role is to install ADAM (on Windows Server 2003) or Active Directory LightWeight Directory Service Role (on Windows Server 2008). Btw, ADAM is short for Active Directory Application Mode and its kind a special mode of Active Directory service designed to store information for directory-based applications. Yes, the one that can read and speak LDAP.

After you're done with installation you have ADSIEDIT utility to examine data stored in partitions of this special AD. With regular AD you have data in "NTDS.DIT", here data is stored in "<EXCHANGE LOCATION>\TransportRoles\data\Adam\ADAMNTDS.DIT".

Open ADSIEDIT (from administrative tools or from MMC) and as a port number type 50389. You can choose between following partitions:

• Configuration
• Domain
• Schema