diff --git a/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml b/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
index 7bacbda..ffb6e26 100644
--- a/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/init.yml
@@ -91,7 +91,7 @@
     horizon_secret_key: opaesee8Que2yahJoh9fo0eefo1Aeyo6ahyei8zeiboh3aeth5loth7ieNa5xi5e
     horizon_identity_host: ${_param:cluster_vip_address}
     horizon_identity_encryption: none
-    horizon_identity_version: 3
+    horizon_identity_version: 2
     mongodb_server_replica_set: ceilometer
     mongodb_ceilometer_password: cloudlab
     mongodb_admin_password: cloudlab