If you are running Microsoft Windows Server, you are probably using Microsoft's Active Directory service. No sweat! Adding users via Active Directory isn't a wee bit different from adding them via OpenLDAP.
Note
As with OpenLDAP, setting up an Active Directory server on Microsoft Windows Server 2000/2003 is pretty straightforward. Here is a step-by-step guide to setting up Active Directory (see http://web2.blogtells.com/2008/04/28/installing-active-directory-on-a-windows-server-2003-computer/).
Let's quickly go over the steps for hooking up Openfire with OpenLDAP as described above, but this time we'll connect it with Active Directory.
1. Stop Openfire, if its running, and edit openfire.xml. To rerun the setup, look for the line that reads <setup>true</setup> and change it to <setup>false</setup>. Skip this step if you're installing a new Openfire server.
2. Continue with the Openfire installation as described in the opening chapters...