diff --git a/resources/libraries/update_manager_config.rb b/resources/libraries/update_manager_config.rb
index 0ca9d57..b8bc486 100644
--- a/resources/libraries/update_manager_config.rb
+++ b/resources/libraries/update_manager_config.rb
@@ -1,6 +1,6 @@
 module Rbmonitor
   module Helpers
-  
+
     def update_manager_config(resource)
 
       ##########################
@@ -12,9 +12,9 @@ def update_manager_config(resource)
       monitor_dg = Chef::DataBagItem.load("rBglobal", "monitors")   rescue monitor_dg={}
       snmp_monitors = []
       begin
-        if monitor_dg["monitors"].nil? or monitor_dg["monitors"].include?("load_1") 
+        if monitor_dg["monitors"].nil? or monitor_dg["monitors"].include?("load_1")
           snmp_monitors.push({"name": "load_1", "oid": "UCD-SNMP-MIB::laLoad.1", "unit": "%"},)
-          node.default[:redborder][:monitor][:count] = node.default[:redborder][:monitor][:count] + 1 
+          node.default[:redborder][:monitor][:count] = node.default[:redborder][:monitor][:count] + 1
         end
         if monitor_dg["monitors"].nil? or monitor_dg["monitors"].include?("cpu")
           snmp_monitors.push({"name": "cpu_idle", "oid": "UCD-SNMP-MIB::ssCpuIdle.0", "send": 0, "unit": "%"},)
@@ -79,21 +79,21 @@ def update_manager_config(resource)
           if monitor_dg["monitors"].nil? or monitor_dg["monitors"].include?("disk_raw_load")
             snmp_monitors.push({"name": "disk_raw_load", "system": "snmptable -v 2c -c redborder 127.0.0.1 diskIOTable|grep ' dm-2 ' | awk '{print $7}'", "unit": "%"},)
             node.default[:redborder][:monitor][:count] = node.default[:redborder][:monitor][:count] + 1
-          end 
+          end
         elsif File.exist?("/dev/mapper/vg_rbdata-lv_raw")
           if monitor_dg["monitors"].nil? or monitor_dg["monitors"].include?("disk_raw")
             snmp_monitors.push({"name": "disk_raw", "oid": "UCD-SNMP-MIB::dskPercent.2", "unit": "%"},)
             node.default[:redborder][:monitor][:count] = node.default[:redborder][:monitor][:count] + 1
           end
         end
-      rescue 
+      rescue
         puts "Error, can't access to SNMP monitors, skipping snmp monitors"
       end
 
       # IPMI monitors
       monitor_dg = Chef::DataBagItem.load("rBglobal", "monitors")   rescue monitor_dg={}
       ipmi_monitors = []
-      
+
       begin
         if File.exist?("/dev/ipmi0") or File.exist?("/dev/ipmi/0") or File.exist?("/dev/ipmidev/0")
           if monitor_dg["monitors"].nil? or monitor_dg["monitors"].include?("system_temp")
@@ -132,20 +132,28 @@ def update_manager_config(resource)
       #Calculate used memory per service
       memory_monitors = ["/* MEMORY PER SERVICE */"]
       begin
-        enabled_services = node.default["redborder"]["services"].map { |service|
-          service[0] if service[1]
-        }
-        enabled_services.delete_if { |service| service == nil }
-        enabled_services.each do |service|
-          service_list = %w[ druid-broker druid-coordinator druid-historical druid-middlemanager druid-overlord druid-realtime http2k kafka n2klocd redborder-nmsp redborder-postgresql webui zookeeper f2k ]
-          if service_list.include? service
-            serv = service.gsub("-", "_")
-            memory_monitors.push({ "name" => "memory_total_#{serv}", "unit" => "kB", "integer" => 1, "send" => 0,
-                                   "system" => "sudo /usr/lib/redborder/bin/rb_mem.sh -n #{service} 2>/dev/null" } )
-            memory_monitors.push({ "name" => "memory_#{serv}", "op" => "100*(memory_total_#{serv})/memory_total", "unit" => "%"} )
-            node.default[:redborder][:monitor][:count] = node.default[:redborder][:monitor][:count] + 2
+        enabled_services = node.default["redborder"]["services"]
+        service_list = %w[druid-broker druid-coordinator druid-historical druid-middlemanager druid-overlord druid-realtime http2k kafka n2klocd redborder-nmsp redborder-postgresql webui zookeeper f2k]
+
+        #In case user modifies a service
+        overwritten_services = node.attributes["redborder"]["services"]
+        overwritten_services.each do |service, value|
+          if value == false
+            enabled_services.delete(service)
+          elsif value == true && service_list.include?(service)
+            enabled_services[service] = true
           end
         end
+
+        enabled_services.select! { |k,v| v==true && service_list.include?(k) }
+
+        enabled_services.keys.each do |service|
+          serv = service.gsub("-", "_")
+          memory_monitors.push({ "name" => "memory_total_#{serv}", "unit" => "kB", "integer" => 1, "send" => 0,
+                           "system" => "sudo /usr/lib/redborder/bin/rb_mem.sh -n #{service} 2>/dev/null" })
+          memory_monitors.push({ "name" => "memory_#{serv}", "op" => "100*(memory_total_#{serv})/memory_total", "unit" => "%" })
+          node.default[:redborder][:monitor][:count] += 2
+        end
       rescue
         puts "Can't access to redborder service list, skipping memory services monitorization"
       end
@@ -174,6 +182,6 @@ def update_manager_config(resource)
       node.default["redborder"]["monitor"]["config"][:sensors].push(manager_sensor)
 
     end
-    
+
   end
-end
\ No newline at end of file
+end