diff --git a/kamailio/registrar-role.cfg b/kamailio/registrar-role.cfg
index 8052791..a3a455c 100644
--- a/kamailio/registrar-role.cfg
+++ b/kamailio/registrar-role.cfg
@@ -14,6 +14,8 @@
 
 ######## Generic Hash Table container in shared memory ########
 modparam("htable", "htable", "auth_cache=>size=16;autoexpire=7200;")
+######## Hash table container for handling drop_on_failure feature ######
+modparam("htable", "htable", "dropped_reqs=>size=16;autoexpire=300;");
 
 ####### Authentication Interface module ##########
 loadmodule "auth.so"
@@ -77,6 +79,12 @@ kazoo.registrar_handle_expired_ws = REGISTRAR_HANDLE_EXPIRED_WS descr "handles e
 route[HANDLE_REGISTER]
 {
     if (is_method("REGISTER")) {
+        if ($sht(dropped_reqs=>$ci)) {
+            xlog("L_INFO", "$ci|log|dropping failed registration, see you in 5 minutes\n");
+            t_release();
+            drop();
+            exit();
+        }
 
         #!ifdef NAT_TRAVERSAL_ROLE
         if (nat_uac_test("3")) {
@@ -173,6 +181,7 @@ route[KAZOO_AUTHORIZATION]
     }
     if(kazoo_async_query("callmgr", $var(amqp_routing_key), $var(amqp_payload_request), "KAZOO_AUTHORIZATION_OK", "KAZOO_AUTHORIZATION_ERROR") != 1) {
         xlog("L_INFO", "$ci|log|failed to send Kazoo query for authentication credentials for $Au $si:$sp - dropping request\n");
+        $sht(dropped_reqs=>$ci) = 1;
         drop();
         exit;
     }
@@ -203,6 +212,7 @@ route[KAZOO_AUTHORIZATION_OK]
 route[KAZOO_AUTHORIZATION_ERROR]
 {
     xlog("L_INFO", "$ci|log|failed to query Kazoo for authentication credentials for $Au $si:$sp - dropping request\n");
+    $sht(dropped_reqs=>$ci) = 1;
     drop();
     exit;
 }