diff --git a/lib/nova b/lib/nova
index f47dc9798c..0f838072c1 100644
--- a/lib/nova
+++ b/lib/nova
@@ -137,6 +137,10 @@ FLAT_INTERFACE=${FLAT_INTERFACE:-$GUEST_INTERFACE_DEFAULT}
 # running the VM - removing a SPOF and bandwidth bottleneck.
 MULTI_HOST=`trueorfalse False $MULTI_HOST`
 
+# ``NOVA_ALLOW_MOVE_TO_SAME_HOST` can be set to False in multi node devstack,
+# where there are at least two nova-computes.
+NOVA_ALLOW_MOVE_TO_SAME_HOST=`trueorfalse True $NOVA_ALLOW_MOVE_TO_SAME_HOST`
+
 # Test floating pool and range are used for testing.  They are defined
 # here until the admin APIs can replace nova-manage
 TEST_FLOATING_POOL=${TEST_FLOATING_POOL:-test}
@@ -411,8 +415,10 @@ function create_nova_conf {
     rm -f $NOVA_CONF
     iniset $NOVA_CONF DEFAULT verbose "True"
     iniset $NOVA_CONF DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL"
-    iniset $NOVA_CONF DEFAULT allow_resize_to_same_host "True"
-    iniset $NOVA_CONF DEFAULT allow_migrate_to_same_host "True"
+    if [ "$NOVA_ALLOW_MOVE_TO_SAME_HOST" == "True" ]; then
+        iniset $NOVA_CONF DEFAULT allow_resize_to_same_host "True"
+        iniset $NOVA_CONF DEFAULT allow_migrate_to_same_host "True"
+    fi
     iniset $NOVA_CONF DEFAULT api_paste_config "$NOVA_API_PASTE_INI"
     iniset $NOVA_CONF DEFAULT rootwrap_config "$NOVA_CONF_DIR/rootwrap.conf"
     iniset $NOVA_CONF DEFAULT scheduler_driver "$SCHEDULER"