diff --git a/xos/synchronizer/steps/sync_onosapp.py b/xos/synchronizer/steps/sync_onosapp.py
index c8084d1..fe10d6c 100644
--- a/xos/synchronizer/steps/sync_onosapp.py
+++ b/xos/synchronizer/steps/sync_onosapp.py
@@ -24,6 +24,7 @@
 import json
 from collections import OrderedDict
 from xosconfig import Config
+from synchronizers.new_base.syncstep import DeferredException
 from synchronizers.new_base.ansible_helper import run_template
 from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
 from synchronizers.new_base.modelaccessor import *
@@ -134,6 +135,11 @@
         attrs = o.owner.serviceattribute_dict
         attrs.update(o.tenantattribute_dict)
 
+        # Check to see if we're waiting on autoconfig
+        if (attrs.get("autogenerate") in ["vtn-network-cfg",]) and \
+           (not attrs.get("rest_onos/v1/network/configuration/")):
+            raise DeferredException("Network configuration is not populated yet")
+
         ordered_attrs = attrs.keys()
 
         onos = self.get_onos_service(o)