Can not check credentials of a user if Active Directory does not permit anonymous browsing as per http://bt.ecw.de/view.php?id=37 in other words the bind user is required but the plugin does not provide a way to set them without hacking the php files directly as per http://wordpress.org/support/topic/need-the-bind-user
Settings for Active Directory Integration are lost when adding plugins and Network Activating them as per http://bt.ecw.de/view.php?id=31
Cannot add more than a single domain controller, the ";" separator does not seem to work. Instead an error message about not being able to reach the domain controller is received as per http://bt.ecw.de/view.php?id=39
The plugin developer doesn't seem to be active. The plugin website still lists version 1.0 as RC2 when the plugin is at 1.1.1 and the bug website doesn't seem to be getting updated...