You can configure multiple LDAP Servers using the LDAP Servers settings page.
Click Settings > LDAP Servers on the home page of the console. In the External Services page click Add New and specify the following fields:
Domain Name: Enter the Domain Name.
Type: Select from the three drop down list
Windows Active Directory
NetIQ eDirectory
OpenLDAP
Host Name/IP Address: Enter the Host Name or IP address.
Port: Specify either 389 or 636.
SSL: Select this option if you want connect using SSL connection.
Verify Certificate: Select this option if you want to import the Certificate Authority (CA) certificates into Primary and Backup PAM Managers for verifying the LDAP server certificate.
Base DN: A base DN is the point from where a server will search for the users. Specify this name, alternatively you can click on Get Base DN link for fetching the details.
Scope: Specify One or Subtree from the drop down list. Selecting One includes all objects immediately subordinate to the base object, but not including the base object. but selecting Subtree allows the base object and all entries subordinate to the base object.
User DN: Domain name of the user with administrator privileges.
User Name: The corresponding user's name.
Password: Specify the password.
Profile Status: Enable or Disable this field by moving the slider to the left or the right.
Set as Default: Move the slider to Set as Default.
LDAP Attributes: Add the Mapped Attribute to the LDAP Attribute.