diff --git a/src/vmm_mad/remotes/lib/vcenter_driver/network.rb b/src/vmm_mad/remotes/lib/vcenter_driver/network.rb
index f2c5615b63..c5149ffdbd 100644
--- a/src/vmm_mad/remotes/lib/vcenter_driver/network.rb
+++ b/src/vmm_mad/remotes/lib/vcenter_driver/network.rb
@@ -374,6 +374,10 @@ class NetImporter < VCenterDriver::VcImporter
     def defaults
         { size: "255", type: "ether" }
     end
+
+    def attr
+        "TEMPLATE/VCENTER_NET_REF"
+    end
 end
 end # module VCenterDriver
 
diff --git a/src/vmm_mad/remotes/lib/vcenter_driver/vcenter_importer.rb b/src/vmm_mad/remotes/lib/vcenter_driver/vcenter_importer.rb
index 4566062410..6aa850767f 100644
--- a/src/vmm_mad/remotes/lib/vcenter_driver/vcenter_importer.rb
+++ b/src/vmm_mad/remotes/lib/vcenter_driver/vcenter_importer.rb
@@ -27,6 +27,10 @@ module VCenterDriver
         def import(selected)      raise MESS end
         ########################################
 
+        def attr
+            false
+        end
+
         public
         ########################################
         # Constructors
@@ -136,6 +140,12 @@ module VCenterDriver
             id = resource['ID']
             @rollback << Raction.new(resource, :delete)
             rc = block.call(resource, id)
+
+            # update vCenter cache (future work)
+            #if attr
+            #    VCenterDriver::VIHelper.add_ref_hash(attr, resource)
+            #    @rollback << Raction.new(VCenterDriver::VIHelper, :remove_ref_hash, [attr, resource])
+            #end
         end
 
         def list_empty?
diff --git a/src/vmm_mad/remotes/lib/vcenter_driver/vi_helper.rb b/src/vmm_mad/remotes/lib/vcenter_driver/vi_helper.rb
index 1f416b8063..1f03e40d31 100644
--- a/src/vmm_mad/remotes/lib/vcenter_driver/vi_helper.rb
+++ b/src/vmm_mad/remotes/lib/vcenter_driver/vi_helper.rb
@@ -122,11 +122,27 @@ class VIHelper
         hash
     end
 
-    def self.clean_ref_hash(attr = nil)
-        if attr.nil?
-            @ref_hash = {}
-        else
-            @ref_hash[attr] = {} unless @ref_hash.nil?
+    def self.clean_ref_hash()
+        @ref_hash = {}
+    end
+
+    def self.add_ref_hash(attr, one_object)
+        raise "cache is empty!" unless @ref_hash
+
+        refkey = get_ref_key(one_object, attr)
+
+        if @ref_hash[attr]
+            @ref_hash[attr][refkey] = one_object
+        end
+    end
+
+    def self.remove_ref_hash(attr, one_object)
+        raise "cache is empty!" unless @ref_hash
+
+        refkey = get_ref_key(one_object, attr)
+
+        if @ref_hash[attr]
+            @ref_hash[attr].delete(refkey)
         end
     end
 
diff --git a/src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb b/src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb
index fb8903234c..a58980ae0b 100644
--- a/src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb
+++ b/src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb
@@ -3339,8 +3339,8 @@ class VmImporter < VCenterDriver::VcImporter
                 @rollback.unshift(Raction.new(n, :delete))
             end
             raise error if !error.empty?
-            working_template[:one] << template_nics
 
+            working_template[:one] << template_nics
             working_template[:one] << rp_opts(opts[:type], opts[:resourcepool])
 
             one_object.update(working_template[:one])
@@ -3360,5 +3360,9 @@ class VmImporter < VCenterDriver::VcImporter
         }
     end
 
+    def attr
+        "TEMPLATE/VCENTER_TEMPLATE_REF"
+    end
+
 end
 end # module VCenterDriver