LDAPS settings for the Active Directory Wizard

In Windows Server 2008 LDAP over SSL (LDAPS) is not configured by default, so a configuration issue may occur due to the missing LDAPS support as the environment will not have a certification authority (CA) installed and also will not have the appropriate server authentication certificate configured. 

Enabling LDAP over SSL in Windows Server 2008

Use this Microsoft support article as a guide to get LDAPS working: How to enable LDAP over SSL with a third-party certification authority