diff --git a/cmd/cgr-engine/cgr-engine.go b/cmd/cgr-engine/cgr-engine.go
index 22bfa2ba7..5cd7aeca2 100644
--- a/cmd/cgr-engine/cgr-engine.go
+++ b/cmd/cgr-engine/cgr-engine.go
@@ -558,7 +558,7 @@ func main() {
 		logDb, err = engine.ConfigureLogStorage(cfg.StorDBType, cfg.StorDBHost, cfg.StorDBPort,
 			cfg.StorDBName, cfg.StorDBUser, cfg.StorDBPass, cfg.DBDataEncoding, cfg.StorDBMaxOpenConns, cfg.StorDBMaxIdleConns)
 		if err != nil { // Cannot configure logger database, show stopper
-			utils.Logger.Crit(fmt.Sprintf("Could not configure logger database: %s exiting!", err))
+			utils.Logger.Crit(fmt.Sprintf("Could not configure logger database: %s exiting! (%+v)", err, cfg))
 			return
 		}
 		defer logDb.Close()
diff --git a/data/conf/samples/cgradmin/cgradmin.json b/data/conf/samples/cgradmin/cgradmin.json
index 4ea1f0eef..e09f94c20 100644
--- a/data/conf/samples/cgradmin/cgradmin.json
+++ b/data/conf/samples/cgradmin/cgradmin.json
@@ -10,6 +10,13 @@
 	"http": ":2080",				// HTTP listening address
 },
 
+"stor_db": {								// database used to store offline tariff plans and CDRs
+	"db_type": "mongo",						// stor database type to use: <mysql|postgres>
+	"db_host": "127.0.0.1",					// the host to connect to
+	"db_port": 27017,						// the port to reach the stordb
+    "db_name": "cgrates",
+},
+
 "rater": {
 	"enabled": true,						// enable Rater service: <true|false>
         "pubsubs": "internal",
diff --git a/engine/calldesc.go b/engine/calldesc.go
index eba37b91d..967fb4582 100644
--- a/engine/calldesc.go
+++ b/engine/calldesc.go
@@ -46,11 +46,11 @@ func init() {
 		accountingStorage, _ = NewMapStorage()
 	} else {
 		var err error
-		ratingStorage, err = NewMongoStorage("127.0.0.1:27017", "cgrates_rating_test", "", "")
+		ratingStorage, err = NewMongoStorage("127.0.0.1", "27017", "cgrates_rating_test", "", "")
 		if err != nil {
 			log.Fatal(err)
 		}
-		accountingStorage, err = NewMongoStorage("127.0.0.1:27017", "cgrates_accounting_test", "", "")
+		accountingStorage, err = NewMongoStorage("127.0.0.1", "27017", "cgrates_accounting_test", "", "")
 		if err != nil {
 			log.Fatal(err)
 		}
diff --git a/engine/storage_mongo.go b/engine/storage_mongo.go
index 49acda18a..149d38da4 100644
--- a/engine/storage_mongo.go
+++ b/engine/storage_mongo.go
@@ -60,7 +60,8 @@ type MongoStorage struct {
 	db      *mgo.Database
 }
 
-func NewMongoStorage(address, db, user, pass string) (*MongoStorage, error) {
+func NewMongoStorage(host, port, db, user, pass string) (*MongoStorage, error) {
+	address := fmt.Sprintf("%s:%s", host, port)
 	if user != "" && pass != "" {
 		address = fmt.Sprintf("%s:%s@%s", user, pass, address)
 	}
diff --git a/engine/storage_utils.go b/engine/storage_utils.go
index 6319e92c8..dc19abe43 100644
--- a/engine/storage_utils.go
+++ b/engine/storage_utils.go
@@ -64,11 +64,9 @@ func ConfigureAccountingStorage(db_type, host, port, name, user, pass, marshaler
 			host += ":" + port
 		}
 		d, err = NewRedisStorage(host, db_nb, pass, marshaler)
-	/*
-		case utils.MONGO:
-			d, err = NewMongoStorage(host, port, name, user, pass)
-			db = d.(AccountingStorage)
-	*/
+	case utils.MONGO:
+		d, err = NewMongoStorage(host, port, name, user, pass)
+		db = d.(AccountingStorage)
 	default:
 		err = errors.New("unknown db")
 	}
@@ -93,9 +91,9 @@ func ConfigureLogStorage(db_type, host, port, name, user, pass, marshaler string
 				host += ":" + port
 			}
 			d, err = NewRedisStorage(host, db_nb, pass, marshaler)
-		case utils.MONGO:
-			d, err = NewMongoStorage(host, port, name, user, pass)
 	*/
+	case utils.MONGO:
+		d, err = NewMongoStorage(host, port, name, user, pass)
 	case utils.POSTGRES:
 		d, err = NewPostgresStorage(host, port, name, user, pass, maxConn, maxIdleConn)
 	case utils.MYSQL:
@@ -116,6 +114,8 @@ func ConfigureLoadStorage(db_type, host, port, name, user, pass, marshaler strin
 		d, err = NewPostgresStorage(host, port, name, user, pass, maxConn, maxIdleConn)
 	case utils.MYSQL:
 		d, err = NewMySQLStorage(host, port, name, user, pass, maxConn, maxIdleConn)
+	case utils.MONGO:
+		d, err = NewMongoStorage(host, port, name, user, pass)
 	default:
 		err = errors.New("unknown db")
 	}
@@ -132,6 +132,8 @@ func ConfigureCdrStorage(db_type, host, port, name, user, pass string, maxConn,
 		d, err = NewPostgresStorage(host, port, name, user, pass, maxConn, maxIdleConn)
 	case utils.MYSQL:
 		d, err = NewMySQLStorage(host, port, name, user, pass, maxConn, maxIdleConn)
+	case utils.MONGO:
+		d, err = NewMongoStorage(host, port, name, user, pass)
 	default:
 		err = errors.New("unknown db")
 	}