diff --git a/planetmint/backend/connection.py b/planetmint/backend/connection.py
index c001ef0..38e496f 100644
--- a/planetmint/backend/connection.py
+++ b/planetmint/backend/connection.py
@@ -5,11 +5,13 @@
 
 import logging
 from importlib import import_module
+
+import tarantool
+
 from planetmint.config import Config
 from planetmint.backend.exceptions import ConnectionError
 from planetmint.transactions.common.exceptions import ConfigurationError
 
-
 BACKENDS = {  # This is path to MongoDBClass
     'tarantool_db': 'planetmint.backend.tarantool.connection.TarantoolDB',
     'localmongodb': 'planetmint.backend.localmongodb.connection.LocalMongoDBConnection'
@@ -48,7 +50,7 @@ def Connection(host: str = None, port: int = None, login: str = None, password:
             replicaset = _kwargs_parser(key="replicaset", kwargs=kwargs) or Config().get()['database']['replicaset']
             ssl = _kwargs_parser(key="ssl", kwargs=kwargs) or Config().get()['database']['ssl']
             login = login or Config().get()['database']['login'] if _kwargs_parser(key="login",
-                                                                                kwargs=kwargs) is None else _kwargs_parser(
+                                                                                   kwargs=kwargs) is None else _kwargs_parser(
                 key="login", kwargs=kwargs)
             password = password or Config().get()['database']['password'] if _kwargs_parser(key="password",
                                                                                             kwargs=kwargs) is None else _kwargs_parser(
@@ -63,13 +65,17 @@ def Connection(host: str = None, port: int = None, login: str = None, password:
             connection_timeout = _kwargs_parser(key="connection_timeout", kwargs=kwargs)
 
             return Class(host=host, port=port, dbname=dbname,
-                        max_tries=max_tries, connection_timeout=connection_timeout,
-                        replicaset=replicaset, ssl=ssl, login=login, password=password,
-                        ca_cert=ca_cert, certfile=certfile, keyfile=keyfile,
-                        keyfile_passphrase=keyfile_passphrase, crlfile=crlfile)
+                         max_tries=max_tries, connection_timeout=connection_timeout,
+                         replicaset=replicaset, ssl=ssl, login=login, password=password,
+                         ca_cert=ca_cert, certfile=certfile, keyfile=keyfile,
+                         keyfile_passphrase=keyfile_passphrase, crlfile=crlfile)
+    except tarantool.error.NetworkError as network_err:
+        print(f"Host {host}:{port} can't be reached.\n{network_err}")
+        raise network_err
     except:
-            logger.info('Exception in _connect(): {}')
-            raise ConfigurationError 
+        logger.info('Exception in _connect(): {}')
+        raise ConfigurationError
+
 
 def _kwargs_parser(key, kwargs):
     if kwargs.get(key):
diff --git a/planetmint/backend/tarantool/connection.py b/planetmint/backend/tarantool/connection.py
index 15a6ea3..e3df560 100644
--- a/planetmint/backend/tarantool/connection.py
+++ b/planetmint/backend/tarantool/connection.py
@@ -33,6 +33,9 @@ class TarantoolDB:
             self.SPACE_NAMES = ["abci_chains", "assets", "blocks", "blocks_tx",
                                 "elections", "meta_data", "pre_commits", "validators",
                                 "transactions", "inputs", "outputs", "keys"]
+        except tarantool.error.NetworkError as network_err:
+            logger.info('Host cant be reached')
+            raise network_err
         except:
             logger.info('Exception in _connect(): {}')
             raise ConfigurationError