diff --git a/postservice/31-one-netmng b/postservice/31-one-netmng
index 4fd5ec6..abb2a40 100755
--- a/postservice/31-one-netmng
+++ b/postservice/31-one-netmng
@@ -303,6 +303,14 @@ def main():
     logger.debug(u"Configure OpenNebula networks")
 
     client = CreoleClient()
+    
+    mode_ha = client.get_creole('activer_one_ha')
+    if mode_ha == "oui":
+        indx = client.get_creole('one_ha_server_index')
+        if indx != 0:
+            # Mode HA is on and we are not in the Leader
+            exit(0)
+
     one_client = OneClient('oneadmin')
     networks = []
     cluster = client.get_creole('one_cluster_name')