Chapter 10 Install and System Administration for FortiOS 5.0 : Basic Administration : Administrators : LDAP Admin Access and Authorization
  
LDAP Admin Access and Authorization
You can use the LDAP server as a means to add administrative users, saving the time to add users to the FortiGate unit administrator list. After configuring, any user within the selected LDAP group server can automatically log into the FortiGate unit as an adm i st rat or. Ensure that the admin profile is the correct level of access, or the users within the LDAP group are the only ones authorized to configure or modify the configuration of the FortiGate unit.
To do this, requires three steps:
configure the LDAP server
add the LDAP server to a user group
configure the administrator account
See Also
Configure the LDAP server
Add the LDAP server to a user group
Configure the administrator account