Searching multiple OUs in APM LDAP query

I've seen posts on doing this and looking to see if there's a better way yet. I need to now search multiple OUs in an LDAP query for a domain with its APM SearchDn set right now to ou=Domain Users,dc=domain2,dc=local

 

A 2013 post from Kevin stated "The second option, and probably the more preferred one, is to simply create multiple LDAP queries and limit each to a specific OU search base. Try to nest them so that the more predominant one is first, and its fallback branch (query failed) falls into the second LDAP query." So my plan is to create a second branch for that domain and set APM SearchDN to ou=otherUsers,dc=domain2,dc=local

 

Since I already have 4 branches in my policy, does adding another branch to handle a second OU in Domain2 cause any speed issues? I also know that Kevin's post was prior to V12, and since I am on v12, are there new options for this?

 

Tom