diff --git a/samples/vsphere/vcenter/vm/create/create_basic_vm.py b/samples/vsphere/vcenter/vm/create/create_basic_vm.py
index 18c31cde..01799b50 100644
--- a/samples/vsphere/vcenter/vm/create/create_basic_vm.py
+++ b/samples/vsphere/vcenter/vm/create/create_basic_vm.py
@@ -21,7 +21,7 @@ from com.vmware.vcenter.vm.hardware_client import (
     Disk, Ethernet)
 from com.vmware.vcenter.vm.hardware_client import ScsiAddressSpec
 from com.vmware.vcenter.vm_client import (Power)
-from com.vmware.vcenter_client import VM
+from com.vmware.vcenter_client import VM, Network
 from vmware.vapi.vsphere.client import create_vsphere_client
 
 from samples.vsphere.common.ssl_helper import get_unverified_session
@@ -84,10 +84,11 @@ class CreateBasicVM(object):
                 datastore_name)
 
         # Get a standard network backing
-        standard_network = network_helper.get_standard_network_backing(
+        standard_network = network_helper.get_network_backing(
             self.client,
             std_portgroup_name,
-            datacenter_name)
+            datacenter_name,
+            Network.Type.STANDARD_PORTGROUP)
 
         """
         Create a basic VM.
diff --git a/samples/vsphere/vcenter/vm/create/create_exhaustive_vm.py b/samples/vsphere/vcenter/vm/create/create_exhaustive_vm.py
index 40e2cb68..a9be7e8e 100644
--- a/samples/vsphere/vcenter/vm/create/create_exhaustive_vm.py
+++ b/samples/vsphere/vcenter/vm/create/create_exhaustive_vm.py
@@ -21,7 +21,7 @@ from com.vmware.vcenter.vm.hardware_client import (
     Cpu, Memory, Disk, Ethernet, Cdrom, Serial, Parallel, Floppy, Boot)
 from com.vmware.vcenter.vm.hardware_client import ScsiAddressSpec
 from com.vmware.vcenter.vm_client import (Hardware, Power)
-from com.vmware.vcenter_client import VM
+from com.vmware.vcenter_client import VM, Network
 from vmware.vapi.vsphere.client import create_vsphere_client
 
 from samples.vsphere.common.ssl_helper import get_unverified_session
@@ -94,17 +94,19 @@ class CreateExhaustiveVM(object):
 
         # Get a standard network backing
         if not self.standard_network:
-            self.standard_network = network_helper.get_standard_network_backing(
+            self.standard_network = network_helper.get_network_backing(
                 self.client,
                 std_portgroup_name,
-                datacenter_name)
+                datacenter_name,
+                Network.Type.STANDARD_PORTGROUP)
 
         # Get a distributed network backing
         if not self.distributed_network:
-            self.distributed_network = network_helper.get_distributed_network_backing(
+            self.distributed_network = network_helper.get_network_backing(
                 self.client,
                 dv_portgroup_name,
-                datacenter_name)
+                datacenter_name,
+                Network.Type.DISTRIBUTED_PORTGROUP)
 
         """
         Create an exhaustive VM.
diff --git a/samples/vsphere/vcenter/vm/main.py b/samples/vsphere/vcenter/vm/main.py
index 282298b5..52526244 100644
--- a/samples/vsphere/vcenter/vm/main.py
+++ b/samples/vsphere/vcenter/vm/main.py
@@ -14,6 +14,8 @@
 __author__ = 'VMware, Inc.'
 __vcenter_version__ = '6.5+'
 
+from com.vmware.vcenter_client import Network
+
 import samples.vsphere.vcenter.helper.network_helper
 import samples.vsphere.vcenter.vm.hardware.main
 import samples.vsphere.vcenter.vm.placement
@@ -55,17 +57,19 @@ class VMSetup(object):
         # 2. DISTRIBUTED_PORTGROUP on DATACENTER2
         ###########################################################################
         standard_network = samples.vsphere.vcenter.helper \
-            .network_helper.get_standard_network_backing(
+            .network_helper.get_network_backing(
             context.client,
             context.testbed.config['STDPORTGROUP_NAME'],
-            context.testbed.config['VM_DATACENTER_NAME'])
+            context.testbed.config['VM_DATACENTER_NAME'],
+            Network.Type.STANDARD_PORTGROUP)
         print('standard_network={}'.format(standard_network))
 
         distributed_network = samples.vsphere.vcenter.helper \
             .network_helper.get_distributed_network_backing(
             context.client,
             context.testbed.config['VDPORTGROUP1_NAME'],
-            context.testbed.config['VM_DATACENTER_NAME'])
+            context.testbed.config['VM_DATACENTER_NAME'],
+            Network.Type.DISTRIBUTED_PORTGROUP)
         print('distributed_network={}'.format(distributed_network))
 
         print('=' * 79)