diff --git a/registrarc/libregistrarc_test.go b/registrarc/libregistrarc_test.go
index 197b96bbd..4c3f8f15d 100644
--- a/registrarc/libregistrarc_test.go
+++ b/registrarc/libregistrarc_test.go
@@ -483,7 +483,6 @@ func TestRegisterRegistrarSv1UnregisterRPCHosts(t *testing.T) {
 	}
 }
 
-/*
 func TestRegisterRegistrarSv1UnregisterRPCHostsError(t *testing.T) {
 	ra := &UnregisterArgs{
 		IDs:    []string{"Host1"},
@@ -528,7 +527,7 @@ func TestRegisterRegistrarSv1UnregisterRPCHostsError(t *testing.T) {
 		t.Fatal(err)
 	}
 	delete(config.CgrConfig().RPCConns(), "errCon")
-	engine.SetCache(engine.NewCacheS(config.CgrConfig(), nil, nil))
+	engine.Cache = engine.NewCacheS(config.CgrConfig(), nil, nil)
 }
 
 func TestRegisterRegistrarSv1RegisterRPCHosts(t *testing.T) {
@@ -565,13 +564,70 @@ func TestRegisterRegistrarSv1RegisterRPCHosts(t *testing.T) {
 		t.Fatal(err)
 	}
 	req.RemoteAddr = "127.0.0.1:2356"
-	engine.Cache = engine.NewCacheS(config.CgrConfig(), nil, nil)
-	engine.SetCache(engine.NewCacheS(config.CgrConfig(), nil, nil))
 	if rplyID, err := register(req); err != nil {
 		t.Fatal(err)
 	} else if !reflect.DeepEqual(id, *rplyID) {
 		t.Errorf("Expected: %q ,received: %q", string(id), string(*rplyID))
 	}
-	engine.SetCache(engine.NewCacheS(config.CgrConfig(), nil, nil))
+	engine.Cache = engine.NewCacheS(config.CgrConfig(), nil, nil)
 }
 
+func TestRegisterRegistrarSv1RegisterRPCHostsError(t *testing.T) {
+	ra := &RegisterArgs{
+		Tenant: "cgrates.org",
+		Hosts: []*RegisterHostCfg{
+			{
+				ID:        "Host1",
+				Port:      "2012",
+				TLS:       true,
+				Transport: utils.MetaJSON,
+			},
+			{
+				ID:        "Host2",
+				Port:      "2013",
+				TLS:       false,
+				Transport: utils.MetaGOB,
+			},
+		},
+		Opts: make(map[string]interface{}),
+	}
+	raJSON, err := json.Marshal([]interface{}{ra})
+	id := json.RawMessage("1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	args := utils.NewServerRequest(utils.RegistrarSv1RegisterRPCHosts, raJSON, id)
+	argsJSON, err := json.Marshal(args)
+	if err != nil {
+		t.Fatal(err)
+	}
+	req, err := http.NewRequest(http.MethodPost, "http://127.0.0.1:2080/json_rpc", bytes.NewBuffer(argsJSON))
+	if err != nil {
+		t.Fatal(err)
+	}
+	req.RemoteAddr = "127.0.0.1:3000"
+	cfg := config.NewDefaultCGRConfig()
+	config.CgrConfig().RPCConns()["errCon1"] = &config.RPCConn{
+		Strategy: utils.MetaFirst,
+		PoolSize: 1,
+		Conns: []*config.RemoteHost{
+			{
+				ID:          "Host1",
+				Address:     "127.0.0.1:9999",
+				Transport:   "*json",
+				Synchronous: true,
+			},
+		},
+	}
+	engine.NewConnManager(cfg, map[string]chan rpcclient.ClientConnector{})
+	cfg.RPCConns()["errCon1"] = config.CgrConfig().RPCConns()["errCon1"]
+	cfg.CacheCfg().ReplicationConns = []string{"errCon1"}
+	cfg.CacheCfg().Partitions[utils.CacheRPCConnections].Replicate = true
+	engine.Cache = engine.NewCacheS(cfg, nil, nil)
+	_, err = register(req)
+	if err == nil || err != utils.ErrPartiallyExecuted {
+		t.Fatal(err)
+	}
+	delete(config.CgrConfig().RPCConns(), "errCon1")
+	engine.Cache = engine.NewCacheS(config.CgrConfig(), nil, nil)
+}