diff --git a/app/models/manageiq/providers/inventory/persister/builder/shared.rb b/app/models/manageiq/providers/inventory/persister/builder/shared.rb
index 653209706e9..60107ba06da 100644
--- a/app/models/manageiq/providers/inventory/persister/builder/shared.rb
+++ b/app/models/manageiq/providers/inventory/persister/builder/shared.rb
@@ -37,6 +37,16 @@ def vendor
       'unknown'
     end
 
+    def ext_management_system
+      add_properties(
+        :manager_ref       => %i(guid),
+        :custom_save_block => lambda do |ems, inventory_collection|
+          ems_attrs = inventory_collection.data.first&.attributes
+          ems.update_attributes!(ems_attrs) if ems_attrs
+        end
+      )
+    end
+
     def vms
       vm_template_shared
     end