Chapter 3 Authentication for FortiOS 5.0 : Single Sign-On to Windows AD : Configuring Single Sign On to Windows AD : Configuring the LDAP Server as a Single Sign-On server
  
Configuring the LDAP Server as a Single Sign-On server
The LDAP server must be added to the FortiGate Single Sign-On configuration.
To add the LDAP server as a Single Sign-On server
1. Go to User & Device > Authentication > Single Sign-On and select Create New.
2. Enter
Type
Poll Active Directory Server
Server Name/IP
Server Name or IP address of the Domain Controller
User
A Domain user name
Password
The user’s password
LDAP Server
Select the LDAP server you added earlier.
Enable Polling
Select
3. Select OK.