The LDAP Group Membership by Organizational Unit feature provides the ability to set LDAP rules and policies for users located in certain Organizational Units (OUs) on the LDAP server.
When a user logs in, if user groups are set to grant memberships by LDAP location, the user is made a member of any groups that match its LDAP location.
You can set any local group, including default local groups (except for the Everyone group and the Trusted Users group) as a group with members that are set by their location in the LDAP directory tree.
When a user is a member of any local groups that are configured for LDAP location:
When a user attempts to log in, whether with success or failure, the user’s distinguished name is logged in the event log. This helps with troubleshooting if a user fails to get memberships to the expected groups.