Log in and go to Admin panel -> Manage -> Plugins.Click Add New PluginClick the Install button to the left of "LDAP Authentication and Lookup".Click on LDAP Authentication and Look up.Fill out the settings in a manner that reflects your AD server. Here's how I comfigured mine.Default domain: is your FQDN for your domain. In my configuration its corp.SHORTDOMAINNAME.local.DNS Servers: your dns server. I use the IP Address for ours.LDAP Servers: I put two entries in here, but you really only need one. I personally entered the ip address of my AD server, and the FQDN of my AD server. (The FQDN of your AD server should be SERVERNAME.corp.SHORTDOMAINNAME.local.Use TLS: I did not check this. You may have to depending on what version of AD your running.
