diff --git a/metadata/service/nodes_flat.yml b/metadata/service/nodes_flat.yml
index 0e1b96a..d36fdbd 100644
--- a/metadata/service/nodes_flat.yml
+++ b/metadata/service/nodes_flat.yml
@@ -8,10 +8,11 @@
         admin_identity:
           - name: ${linux:network:hostname}-n0
             driver: pxe_ipmitool
+            microversion: '1.9'
             properties:
               local_gb: 10
-              cpus: 2
-              memory_mb: 1024
+              cpus: 1
+              memory_mb: 384
               cpu_arch: x86_64
             driver_info:
               ipmi_username: admin
@@ -25,10 +26,11 @@
               - address: aa:bb:cc:dd:00:01
           - name: ${linux:network:hostname}-n1
             driver: pxe_ipmitool
+            microversion: '1.9'
             properties:
               local_gb: 10
-              cpus: 2
-              memory_mb: 1024
+              cpus: 1
+              memory_mb: 384
               cpu_arch: x86_64
             driver_info:
               ipmi_username: admin
@@ -46,10 +48,11 @@
                     subnet_name: baremetal-subnet
           - name: ${linux:network:hostname}-n2
             driver: pxe_ipmitool
+            microversion: '1.9'
             properties:
               local_gb: 10
-              cpus: 2
-              memory_mb: 1024
+              cpus: 1
+              memory_mb: 384
               cpu_arch: x86_64
             driver_info:
               ipmi_username: admin
diff --git a/metadata/service/nodes_neutron.yml b/metadata/service/nodes_neutron.yml
index 221bb21..495813f 100644
--- a/metadata/service/nodes_neutron.yml
+++ b/metadata/service/nodes_neutron.yml
@@ -21,20 +21,20 @@
               deploy_ramdisk: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_ramdisk_file}
               deploy_kernel: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_kernel_file}
             network_interface: 'neutron'
-            ironic_api_version: '1.20'
+            microversion: '1.20'
             ports:
               - address: aa:bb:cc:dd:00:00
                 local_link_connection:
                   switch_id: 00:00:00:00:00:00
                   switch_info: br-simulator
                   port_id: tap-bmt-n0i1
-                ironic_api_version: '1.19'
+                microversion: '1.19'
               - address: aa:bb:cc:dd:00:01
                 local_link_connection:
                   switch_id: 00:00:00:00:00:00
                   switch_info: br-simulator
                   port_id: tap-bmt-n0i2
-                ironic_api_version: '1.19'
+                microversion: '1.19'
           - name: ${linux:network:hostname}-n1
             driver: pxe_ipmitool
             properties:
@@ -50,14 +50,14 @@
               deploy_ramdisk: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_ramdisk_file}
               deploy_kernel: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_kernel_file}
             network_interface: 'neutron'
-            ironic_api_version: '1.20'
+            microversion: '1.20'
             ports:
               - address: aa:bb:cc:dd:01:00
                 local_link_connection:
                   switch_id: 00:00:00:00:00:00
                   switch_info: br-simulator
                   port_id: tap-bmt-n1i1
-                ironic_api_version: '1.19'
+                microversion: '1.19'
             deployment_profile:
               network:
                 fixed_ips:
@@ -78,11 +78,11 @@
               deploy_ramdisk: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_ramdisk_file}
               deploy_kernel: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_kernel_file}
             network_interface: 'neutron'
-            ironic_api_version: '1.20'
+            microversion: '1.20'
             ports:
               - address: aa:bb:cc:dd:02:00
                 local_link_connection:
                   switch_id: 00:00:00:00:00:00
                   switch_info: br-simulator
                   port_id: tap-bmt-n2i1
-                ironic_api_version: '1.19'
+                microversion: '1.19'