diff --git a/defaults/openstack/init.yml b/defaults/openstack/init.yml
index 89cd7b2..3219285 100644
--- a/defaults/openstack/init.yml
+++ b/defaults/openstack/init.yml
@@ -41,6 +41,7 @@
     nova_version: ${_param:openstack_version}
     nova_upgrade_enabled: ${_param:openstack_upgrade_enabled}
     nova_instance_build_timeout: 3600
+    nova_service_user_enabled: True
     # Glance
     glance_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
     glance_memcache_secret_key: ''
diff --git a/nova/compute/cluster.yml b/nova/compute/cluster.yml
index 7896a97..6df13f5 100644
--- a/nova/compute/cluster.yml
+++ b/nova/compute/cluster.yml
@@ -72,6 +72,8 @@
         password: ${_param:keystone_nova_password}
         tenant: service
         protocol: ${_param:cluster_internal_protocol}
+      service_user:
+        enabled: ${_param:nova_service_user_enabled}
       barbican:
         enabled: ${_param:barbican_integration_enabled}
       message_queue:
diff --git a/nova/compute/single.yml b/nova/compute/single.yml
index 836886e..16a3d06 100644
--- a/nova/compute/single.yml
+++ b/nova/compute/single.yml
@@ -73,6 +73,8 @@
         region: ${_param:openstack_region}
       barbican:
         enabled: ${_param:barbican_integration_enabled}
+      service_user:
+        enabled: ${_param:nova_service_user_enabled}
       message_queue:
         engine: rabbitmq
         host: ${_param:control_address}
diff --git a/nova/compute_ironic/cluster.yml b/nova/compute_ironic/cluster.yml
index 4d49198..6d827b6 100644
--- a/nova/compute_ironic/cluster.yml
+++ b/nova/compute_ironic/cluster.yml
@@ -26,6 +26,8 @@
         password: ${_param:keystone_nova_password}
         tenant: service
         protocol: ${_param:cluster_internal_protocol}
+      service_user:
+        enabled: ${_param:nova_service_user_enabled}
       message_queue:
         engine: rabbitmq
         port: 5672
diff --git a/nova/compute_ironic/single.yml b/nova/compute_ironic/single.yml
index befc742..3ddcc18 100644
--- a/nova/compute_ironic/single.yml
+++ b/nova/compute_ironic/single.yml
@@ -26,6 +26,8 @@
         password: ${_param:keystone_nova_password}
         tenant: service
         protocol: ${_param:cluster_internal_protocol}
+      service_user:
+        enabled: ${_param:nova_service_user_enabled}
       message_queue:
         engine: rabbitmq
         port: 5672
diff --git a/nova/control/cluster.yml b/nova/control/cluster.yml
index 72bb558..779acae 100644
--- a/nova/control/cluster.yml
+++ b/nova/control/cluster.yml
@@ -63,6 +63,8 @@
         password: ${_param:keystone_nova_password}
         tenant: service
         protocol: ${_param:cluster_internal_protocol}
+      service_user:
+        enabled: ${_param:nova_service_user_enabled}
       barbican:
         enabled: ${_param:barbican_integration_enabled}
       message_queue:
diff --git a/nova/control/single.yml b/nova/control/single.yml
index d2cb013..0108af6 100644
--- a/nova/control/single.yml
+++ b/nova/control/single.yml
@@ -26,6 +26,8 @@
       identity:
         protocol: ${_param:cluster_internal_protocol}
         region: ${_param:openstack_region}
+      service_user:
+        enabled: ${_param:nova_service_user_enabled}
       network:
         protocol: ${_param:cluster_internal_protocol}
         region: ${_param:openstack_region}