diff --git a/addressbook/backends/file/e-book-backend-file.c b/addressbook/backends/file/e-book-backend-file.c
index 596c829..643b982 100644
--- a/addressbook/backends/file/e-book-backend-file.c
+++ b/addressbook/backends/file/e-book-backend-file.c
@@ -66,6 +66,7 @@
 
 #define EDB_ERROR(_code) e_data_book_create_error (E_DATA_BOOK_STATUS_ ## _code, NULL)
 #define EDB_ERROR_EX(_code, _msg) e_data_book_create_error (E_DATA_BOOK_STATUS_ ## _code, _msg)
+#define EDB_NOT_OPENED_ERROR EDB_ERROR(NOT_OPENED)
 
 G_DEFINE_TYPE (EBookBackendFile, e_book_backend_file, E_TYPE_BOOK_BACKEND_SYNC)
 
@@ -137,6 +138,11 @@ build_summary (EBookBackendFilePrivate *bfpriv)
 	gint            db_error;
 	DBT  id_dbt, vcard_dbt;
 
+	if (!db) {
+		g_warning (G_STRLOC ": Not openend yet");
+		return FALSE;
+	}
+
 	db_error = db->cursor (db, NULL, &dbc, 0);
 
 	if (db_error != 0) {
@@ -209,6 +215,11 @@ do_create (EBookBackendFile  *bf,
 	g_assert (vcard_req);
 	g_assert (contact);
 
+	if (!db) {
+		g_propagate_error (perror, EDB_NOT_OPENED_ERROR);
+		return FALSE;
+	}
+
 	id = e_book_backend_file_create_unique_id ();
 
 	string_to_dbt (id, &id_dbt);
@@ -275,6 +286,11 @@ e_book_backend_file_remove_contacts (EBookBackendSync *backend,
 	const GSList   *l;
 	GSList         *removed_cards = NULL;
 
+	if (!db) {
+		g_propagate_error (perror, EDB_NOT_OPENED_ERROR);
+		return;
+	}
+
 	for (l = id_list; l; l = l->next) {
 		id = l->data;
 
@@ -320,6 +336,11 @@ e_book_backend_file_modify_contact (EBookBackendSync *backend,
 	const gchar    *id, *lookup_id;
 	gchar          *vcard_with_rev;
 
+	if (!db) {
+		g_propagate_error (perror, EDB_NOT_OPENED_ERROR);
+		return;
+	}
+
 	*contact = e_contact_new_from_vcard (vcard);
 	id = e_contact_get_const (*contact, E_CONTACT_UID);
 
@@ -380,6 +401,11 @@ e_book_backend_file_get_contact (EBookBackendSync *backend,
 	bf = E_BOOK_BACKEND_FILE (backend);
 	db = bf->priv->file_db;
 
+	if (!db) {
+		g_propagate_error (perror, EDB_NOT_OPENED_ERROR);
+		return;
+	}
+
 	string_to_dbt (id, &id_dbt);
 	memset (&vcard_dbt, 0, sizeof (vcard_dbt));
 	vcard_dbt.flags = DB_DBT_MALLOC;
@@ -415,6 +441,12 @@ e_book_backend_file_get_contact_list (EBookBackendSync *backend,
 	GSList *contact_list = NULL;
 
 	d(printf ("e_book_backend_file_get_contact_list (%s)\n", search));
+
+	if (!db) {
+		g_propagate_error (perror, EDB_NOT_OPENED_ERROR);
+		return;
+	}
+
 	if (e_book_backend_summary_is_summary_query (bf->priv->summary, search)) {
 
 		/* do a summary query */
@@ -522,6 +554,12 @@ e_book_backend_file_get_contact_list_uids (EBookBackendSync *backend,
 	GSList *uids = NULL;
 
 	d(printf ("e_book_backend_file_get_contact_list (%s)\n", search));
+
+	if (!db) {
+		g_propagate_error (perror, EDB_NOT_OPENED_ERROR);
+		return;
+	}
+
 	if (e_book_backend_summary_is_summary_query (bf->priv->summary, search)) {
 		/* do a summary query */
 		GPtrArray *ids = e_book_backend_summary_search (bf->priv->summary, search);
@@ -662,6 +700,12 @@ book_view_thread (gpointer data)
 	e_data_book_view_ref (book_view);
 
 	db = bf->priv->file_db;
+	if (!db) {
+		e_data_book_view_notify_complete (book_view, EDB_NOT_OPENED_ERROR);
+		e_data_book_view_unref (book_view);
+		return NULL;
+	}
+
 	query = e_data_book_view_get_card_query (book_view);
 
 	if ( !strcmp (query, "(contains \"x-evolution-any-field\" \"\")")) {
@@ -751,8 +795,6 @@ done:
 	if (e_flag_is_set (closure->running))
 		e_data_book_view_notify_complete (book_view, NULL /* Success */);
 
-	/* unref the */
-	printf("book_view file uref \n");
 	e_data_book_view_unref (book_view);
 
 	d(printf ("finished population of book view\n"));
@@ -865,6 +907,11 @@ e_book_backend_file_upgrade_db (EBookBackendFile *bf, gchar *old_version)
 	gint db_error;
 	DBT version_name_dbt, version_dbt;
 
+	if (!db) {
+		g_warning (G_STRLOC ": No DB opened");
+		return FALSE;
+	}
+
 	if (strcmp (old_version, "0.0")
 	    && strcmp (old_version, "0.1")) {
 		g_warning ("unsupported version '%s' found in PAS backend file\n",
@@ -953,6 +1000,11 @@ e_book_backend_file_maybe_upgrade_db (EBookBackendFile *bf)
 	gchar *version;
 	gboolean ret_val = TRUE;
 
+	if (!db) {
+		g_warning (G_STRLOC ": No DB opened");
+		return FALSE;
+	}
+
 	string_to_dbt (E_BOOK_BACKEND_FILE_VERSION_NAME, &version_name_dbt);
 	memset (&version_dbt, 0, sizeof (version_dbt));
 	version_dbt.flags = DB_DBT_MALLOC;
diff --git a/addressbook/libebook/e-book-client.c b/addressbook/libebook/e-book-client.c
index 4ca329d..4899a58 100644
--- a/addressbook/libebook/e-book-client.c
+++ b/addressbook/libebook/e-book-client.c
@@ -146,6 +146,7 @@ unwrap_dbus_error (GError *error, GError **client_error)
 		{ err ("SearchTimeLimitExceeded",		E_CLIENT_ERROR_SEARCH_TIME_LIMIT_EXCEEDED) },
 		{ err ("InvalidQuery",				E_CLIENT_ERROR_INVALID_QUERY) },
 		{ err ("QueryRefused",				E_CLIENT_ERROR_QUERY_REFUSED) },
+		{ err ("NotOpened",				E_CLIENT_ERROR_NOT_OPENED) },
 		{ err ("UnsupportedField",			E_CLIENT_ERROR_OTHER_ERROR) },
 		{ err ("InvalidServerVersion",			E_CLIENT_ERROR_OTHER_ERROR) },
 		{ err ("OtherError",				E_CLIENT_ERROR_OTHER_ERROR) }
diff --git a/addressbook/libedata-book/e-book-backend.c b/addressbook/libedata-book/e-book-backend.c
index 358f489..49d7359 100644
--- a/addressbook/libedata-book/e-book-backend.c
+++ b/addressbook/libedata-book/e-book-backend.c
@@ -16,7 +16,8 @@
 #include "e-data-book.h"
 #include "e-book-backend.h"
 
-#define EDB_OPENING_ERROR e_data_book_create_error (E_DATA_BOOK_STATUS_BUSY, _("Cannot process, book backend is opening"))
+#define EDB_OPENING_ERROR	e_data_book_create_error (E_DATA_BOOK_STATUS_BUSY, _("Cannot process, book backend is opening"))
+#define EDB_NOT_OPENED_ERROR	e_data_book_create_error (E_DATA_BOOK_STATUS_NOT_OPENED, NULL)
 
 struct _EBookBackendPrivate {
 	GMutex *clients_mutex;
@@ -436,6 +437,8 @@ e_book_backend_refresh (EBookBackend *backend, EDataBook *book, guint32 opid, GC
 		e_data_book_respond_refresh (book, opid, EDB_OPENING_ERROR);
 	else if (!E_BOOK_BACKEND_GET_CLASS (backend)->refresh)
 		e_data_book_respond_refresh (book, opid, e_data_book_create_error (E_DATA_BOOK_STATUS_NOT_SUPPORTED, NULL));
+	else if (!e_book_backend_is_opened (backend))
+		e_data_book_respond_refresh (book, opid, EDB_NOT_OPENED_ERROR);
 	else
 		(* E_BOOK_BACKEND_GET_CLASS (backend)->refresh) (backend, book, opid, cancellable);
 }
@@ -466,6 +469,8 @@ e_book_backend_create_contact (EBookBackend *backend,
 
 	if (e_book_backend_is_opening (backend))
 		e_data_book_respond_create (book, opid, EDB_OPENING_ERROR, NULL);
+	else if (!e_book_backend_is_opened (backend))
+		e_data_book_respond_create (book, opid, EDB_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_BOOK_BACKEND_GET_CLASS (backend)->create_contact) (backend, book, opid, cancellable, vcard);
 }
@@ -496,6 +501,8 @@ e_book_backend_remove_contacts (EBookBackend *backend,
 
 	if (e_book_backend_is_opening (backend))
 		e_data_book_respond_remove_contacts (book, opid, EDB_OPENING_ERROR, NULL);
+	else if (!e_book_backend_is_opened (backend))
+		e_data_book_respond_remove_contacts (book, opid, EDB_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_BOOK_BACKEND_GET_CLASS (backend)->remove_contacts) (backend, book, opid, cancellable, id_list);
 }
@@ -526,6 +533,8 @@ e_book_backend_modify_contact (EBookBackend *backend,
 
 	if (e_book_backend_is_opening (backend))
 		e_data_book_respond_modify (book, opid, EDB_OPENING_ERROR, NULL);
+	else if (!e_book_backend_is_opened (backend))
+		e_data_book_respond_modify (book, opid, EDB_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_BOOK_BACKEND_GET_CLASS (backend)->modify_contact) (backend, book, opid, cancellable, vcard);
 }
@@ -556,6 +565,8 @@ e_book_backend_get_contact (EBookBackend *backend,
 
 	if (e_book_backend_is_opening (backend))
 		e_data_book_respond_get_contact (book, opid, EDB_OPENING_ERROR, NULL);
+	else if (!e_book_backend_is_opened (backend))
+		e_data_book_respond_get_contact (book, opid, EDB_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_BOOK_BACKEND_GET_CLASS (backend)->get_contact) (backend, book, opid, cancellable, id);
 }
@@ -586,6 +597,8 @@ e_book_backend_get_contact_list (EBookBackend *backend,
 
 	if (e_book_backend_is_opening (backend))
 		e_data_book_respond_get_contact_list (book, opid, EDB_OPENING_ERROR, NULL);
+	else if (!e_book_backend_is_opened (backend))
+		e_data_book_respond_get_contact_list (book, opid, EDB_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_BOOK_BACKEND_GET_CLASS (backend)->get_contact_list) (backend, book, opid, cancellable, query);
 }
@@ -618,6 +631,8 @@ e_book_backend_get_contact_list_uids (EBookBackend *backend,
 
 	if (e_book_backend_is_opening (backend))
 		e_data_book_respond_get_contact_list_uids (book, opid, EDB_OPENING_ERROR, NULL);
+	else if (!e_book_backend_is_opened (backend))
+		e_data_book_respond_get_contact_list_uids (book, opid, EDB_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_BOOK_BACKEND_GET_CLASS (backend)->get_contact_list_uids) (backend, book, opid, cancellable, query);
 }
diff --git a/addressbook/libedata-book/e-data-book-types.h b/addressbook/libedata-book/e-data-book-types.h
index 6a8a0dd..42a1522 100644
--- a/addressbook/libedata-book/e-data-book-types.h
+++ b/addressbook/libedata-book/e-data-book-types.h
@@ -70,7 +70,8 @@ typedef enum {
 	E_DATA_BOOK_STATUS_INVALID_SERVER_VERSION,
 	E_DATA_BOOK_STATUS_NO_SPACE,
 	E_DATA_BOOK_STATUS_INVALID_ARG,
-	E_DATA_BOOK_STATUS_NOT_SUPPORTED
+	E_DATA_BOOK_STATUS_NOT_SUPPORTED,
+	E_DATA_BOOK_STATUS_NOT_OPENED
 } EDataBookStatus;
 
 G_END_DECLS
diff --git a/addressbook/libedata-book/e-data-book.c b/addressbook/libedata-book/e-data-book.c
index 6e75ae7..26c10ab 100644
--- a/addressbook/libedata-book/e-data-book.c
+++ b/addressbook/libedata-book/e-data-book.c
@@ -320,7 +320,8 @@ e_data_book_status_to_string (EDataBookStatus status)
 		{ E_DATA_BOOK_STATUS_NO_SPACE,				N_("No space") },
 		{ E_DATA_BOOK_STATUS_INVALID_ARG,			N_("Invalid argument") },
 		/* Translators: The string for NOT_SUPPORTED error */
-		{ E_DATA_BOOK_STATUS_NOT_SUPPORTED,			N_("Not supported") }
+		{ E_DATA_BOOK_STATUS_NOT_SUPPORTED,			N_("Not supported") },
+		{ E_DATA_BOOK_STATUS_NOT_OPENED,			N_("Backend is not opened yet") }
 	};
 
 	for (i = 0; i < G_N_ELEMENTS (statuses); i++) {
@@ -361,7 +362,8 @@ e_data_book_error_quark (void)
 		{ E_DATA_BOOK_STATUS_INVALID_SERVER_VERSION,		ERR_PREFIX "InvalidServerVersion" },
 		{ E_DATA_BOOK_STATUS_NO_SPACE,				ERR_PREFIX "NoSpace" },
 		{ E_DATA_BOOK_STATUS_INVALID_ARG,			ERR_PREFIX "InvalidArg" },
-		{ E_DATA_BOOK_STATUS_NOT_SUPPORTED,			ERR_PREFIX "NotSupported" }
+		{ E_DATA_BOOK_STATUS_NOT_SUPPORTED,			ERR_PREFIX "NotSupported" },
+		{ E_DATA_BOOK_STATUS_NOT_OPENED,			ERR_PREFIX "NotOpened" }
 	};
 
 	#undef ERR_PREFIX
diff --git a/calendar/libecal/e-cal-client.c b/calendar/libecal/e-cal-client.c
index 71e22c9..64be096 100644
--- a/calendar/libecal/e-cal-client.c
+++ b/calendar/libecal/e-cal-client.c
@@ -191,6 +191,7 @@ unwrap_dbus_error (GError *error, GError **client_error)
 		{ err ("SearchTimeLimitExceeded",		E_CLIENT_ERROR_SEARCH_TIME_LIMIT_EXCEEDED) },
 		{ err ("InvalidQuery",				E_CLIENT_ERROR_INVALID_QUERY) },
 		{ err ("QueryRefused",				E_CLIENT_ERROR_QUERY_REFUSED) },
+		{ err ("NotOpened",				E_CLIENT_ERROR_NOT_OPENED) },
 		{ err ("UnsupportedField",			E_CLIENT_ERROR_OTHER_ERROR) },
 		{ err ("UnsupportedMethod",			E_CLIENT_ERROR_OTHER_ERROR) },
 		{ err ("InvalidServerVersion",			E_CLIENT_ERROR_OTHER_ERROR) },
diff --git a/calendar/libedata-cal/e-cal-backend.c b/calendar/libedata-cal/e-cal-backend.c
index f2174f8..277a6f1 100644
--- a/calendar/libedata-cal/e-cal-backend.c
+++ b/calendar/libedata-cal/e-cal-backend.c
@@ -30,8 +30,9 @@
 #include "e-cal-backend.h"
 #include "e-cal-backend-cache.h"
 
-#define EDC_ERROR(_code) e_data_cal_create_error (_code, NULL)
-#define EDC_OPENING_ERROR e_data_cal_create_error (Busy, _("Cannot process, calendar backend is opening"))
+#define EDC_ERROR(_code)	e_data_cal_create_error (_code, NULL)
+#define EDC_OPENING_ERROR	e_data_cal_create_error (Busy, _("Cannot process, calendar backend is opening"))
+#define EDC_NOT_OPENED_ERROR	e_data_cal_create_error (NotOpened, NULL)
 
 /* Private part of the CalBackend structure */
 struct _ECalBackendPrivate {
@@ -1005,6 +1006,8 @@ e_cal_backend_refresh (ECalBackend *backend, EDataCal *cal, guint32 opid, GCance
 		e_data_cal_respond_refresh (cal, opid, EDC_OPENING_ERROR);
 	else if (!E_CAL_BACKEND_GET_CLASS (backend)->refresh)
 		e_data_cal_respond_refresh (cal, opid, EDC_ERROR (UnsupportedMethod));
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_refresh (cal, opid, EDC_NOT_OPENED_ERROR);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->refresh) (backend, cal, opid, cancellable);
 }
@@ -1032,6 +1035,8 @@ e_cal_backend_get_object (ECalBackend *backend, EDataCal *cal, guint32 opid, GCa
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_get_object (cal, opid, EDC_OPENING_ERROR, NULL);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_get_object (cal, opid, EDC_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->get_object) (backend, cal, opid, cancellable, uid, rid);
 }
@@ -1056,6 +1061,8 @@ e_cal_backend_get_object_list (ECalBackend *backend, EDataCal *cal, guint32 opid
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_get_object_list (cal, opid, EDC_OPENING_ERROR, NULL);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_get_object_list (cal, opid, EDC_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->get_object_list) (backend, cal, opid, cancellable, sexp);
 }
@@ -1085,6 +1092,8 @@ e_cal_backend_get_free_busy (ECalBackend *backend, EDataCal *cal, guint32 opid,
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_get_free_busy (cal, opid, EDC_OPENING_ERROR);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_get_free_busy (cal, opid, EDC_NOT_OPENED_ERROR);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->get_free_busy) (backend, cal, opid, cancellable, users, start, end);
 }
@@ -1109,10 +1118,12 @@ e_cal_backend_create_object (ECalBackend *backend, EDataCal *cal, guint32 opid,
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_create_object (cal, opid, EDC_OPENING_ERROR, NULL, NULL);
-	else if (E_CAL_BACKEND_GET_CLASS (backend)->create_object)
-		(* E_CAL_BACKEND_GET_CLASS (backend)->create_object) (backend, cal, opid, cancellable, calobj);
-	else
+	else if (!E_CAL_BACKEND_GET_CLASS (backend)->create_object)
 		e_data_cal_respond_create_object (cal, opid, EDC_ERROR (UnsupportedMethod), NULL, NULL);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_create_object (cal, opid, EDC_NOT_OPENED_ERROR, NULL, NULL);
+	else
+		(* E_CAL_BACKEND_GET_CLASS (backend)->create_object) (backend, cal, opid, cancellable, calobj);
 }
 
 /**
@@ -1136,10 +1147,12 @@ e_cal_backend_modify_object (ECalBackend *backend, EDataCal *cal, guint32 opid,
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_modify_object (cal, opid, EDC_OPENING_ERROR, NULL, NULL);
-	else if (E_CAL_BACKEND_GET_CLASS (backend)->modify_object)
-		(* E_CAL_BACKEND_GET_CLASS (backend)->modify_object) (backend, cal, opid, cancellable, calobj, mod);
-	else
+	else if (!E_CAL_BACKEND_GET_CLASS (backend)->modify_object)
 		e_data_cal_respond_modify_object (cal, opid, EDC_ERROR (UnsupportedMethod), NULL, NULL);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_modify_object (cal, opid, EDC_NOT_OPENED_ERROR, NULL, NULL);
+	else
+		(* E_CAL_BACKEND_GET_CLASS (backend)->modify_object) (backend, cal, opid, cancellable, calobj, mod);
 }
 
 /**
@@ -1166,6 +1179,8 @@ e_cal_backend_remove_object (ECalBackend *backend, EDataCal *cal, guint32 opid,
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_remove_object (cal, opid, EDC_OPENING_ERROR, NULL, NULL, NULL);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_remove_object (cal, opid, EDC_NOT_OPENED_ERROR, NULL, NULL, NULL);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->remove_object) (backend, cal, opid, cancellable, uid, rid, mod);
 }
@@ -1191,6 +1206,8 @@ e_cal_backend_receive_objects (ECalBackend *backend, EDataCal *cal, guint32 opid
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_receive_objects (cal, opid, EDC_OPENING_ERROR);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_receive_objects (cal, opid, EDC_NOT_OPENED_ERROR);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->receive_objects) (backend, cal, opid, cancellable, calobj);
 }
@@ -1216,6 +1233,8 @@ e_cal_backend_send_objects (ECalBackend *backend, EDataCal *cal, guint32 opid, G
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_send_objects (cal, opid, EDC_OPENING_ERROR, NULL, NULL);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_send_objects (cal, opid, EDC_NOT_OPENED_ERROR, NULL, NULL);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->send_objects) (backend, cal, opid, cancellable, calobj);
 }
@@ -1243,6 +1262,8 @@ e_cal_backend_get_attachment_uris (ECalBackend *backend, EDataCal *cal, guint32
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_get_attachment_uris (cal, opid, EDC_OPENING_ERROR, NULL);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_get_attachment_uris (cal, opid, EDC_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->get_attachment_uris) (backend, cal, opid, cancellable, uid, rid);
 }
@@ -1271,10 +1292,12 @@ e_cal_backend_discard_alarm (ECalBackend *backend, EDataCal *cal, guint32 opid,
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_discard_alarm (cal, opid, EDC_OPENING_ERROR);
-	else if (E_CAL_BACKEND_GET_CLASS (backend)->discard_alarm)
-		(* E_CAL_BACKEND_GET_CLASS (backend)->discard_alarm) (backend, cal, opid, cancellable, uid, rid, auid);
-	else
+	else if (!E_CAL_BACKEND_GET_CLASS (backend)->discard_alarm)
 		e_data_cal_respond_discard_alarm (cal, opid, e_data_cal_create_error (NotSupported, NULL));
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_discard_alarm (cal, opid, EDC_NOT_OPENED_ERROR);
+	else
+		(* E_CAL_BACKEND_GET_CLASS (backend)->discard_alarm) (backend, cal, opid, cancellable, uid, rid, auid);
 }
 
 /**
@@ -1300,6 +1323,8 @@ e_cal_backend_get_timezone (ECalBackend *backend, EDataCal *cal, guint32 opid, G
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_get_timezone (cal, opid, EDC_OPENING_ERROR, NULL);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_get_timezone (cal, opid, EDC_NOT_OPENED_ERROR, NULL);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->get_timezone) (backend, cal, opid, cancellable, tzid);
 }
@@ -1324,6 +1349,8 @@ e_cal_backend_add_timezone (ECalBackend *backend, EDataCal *cal, guint32 opid, G
 
 	if (e_cal_backend_is_opening (backend))
 		e_data_cal_respond_add_timezone (cal, opid, EDC_OPENING_ERROR);
+	else if (!e_cal_backend_is_opened (backend))
+		e_data_cal_respond_add_timezone (cal, opid, EDC_NOT_OPENED_ERROR);
 	else
 		(* E_CAL_BACKEND_GET_CLASS (backend)->add_timezone) (backend, cal, opid, cancellable, tzobject);
 }
diff --git a/calendar/libedata-cal/e-data-cal-types.h b/calendar/libedata-cal/e-data-cal-types.h
index d4f75f4..7792b66 100644
--- a/calendar/libedata-cal/e-data-cal-types.h
+++ b/calendar/libedata-cal/e-data-cal-types.h
@@ -36,7 +36,8 @@ typedef enum {
 	OtherError,
 	InvalidServerVersion,
 	InvalidArg,
-	NotSupported
+	NotSupported,
+	NotOpened
 } EDataCalCallStatus;
 
 typedef enum {
diff --git a/calendar/libedata-cal/e-data-cal.c b/calendar/libedata-cal/e-data-cal.c
index 5e6ac15..ad7a278 100644
--- a/calendar/libedata-cal/e-data-cal.c
+++ b/calendar/libedata-cal/e-data-cal.c
@@ -385,7 +385,8 @@ e_data_cal_error_quark (void)
 		{ OtherError,				ERR_PREFIX "OtherError" },
 		{ InvalidServerVersion,			ERR_PREFIX "InvalidServerVersion" },
 		{ InvalidArg,				ERR_PREFIX "InvalidArg" },
-		{ NotSupported,				ERR_PREFIX "NotSupported" }
+		{ NotSupported,				ERR_PREFIX "NotSupported" },
+		{ NotOpened,				ERR_PREFIX "NotOpened" }
 	};
 
 	#undef ERR_PREFIX
@@ -436,7 +437,8 @@ e_data_cal_status_to_string (EDataCalCallStatus status)
 		{ InvalidServerVersion,			N_("Invalid server version") },
 		{ InvalidArg,				N_("Invalid argument") },
 		/* Translators: The string for NOT_SUPPORTED error */
-		{ NotSupported,				N_("Not supported") }
+		{ NotSupported,				N_("Not supported") },
+		{ NotOpened,				N_("Backend is not opened yet") }
 	};
 
 	for (i = 0; i < G_N_ELEMENTS (statuses); i++) {
diff --git a/libedataserver/e-client.c b/libedataserver/e-client.c
index 6c878c2..7a5ec29 100644
--- a/libedataserver/e-client.c
+++ b/libedataserver/e-client.c
@@ -142,6 +142,8 @@ e_client_error_to_string (EClientError code)
 		return C_("ClientError", "D-Bus error");
 	case E_CLIENT_ERROR_OTHER_ERROR:
 		return C_("ClientError", "Other error");
+	case E_CLIENT_ERROR_NOT_OPENED:
+		return C_("ClientError", "Backend is not opened yet");
 	}
 
 	return C_("ClientError", "Unknown error");
diff --git a/libedataserver/e-client.h b/libedataserver/e-client.h
index 1615e49..de78aa3 100644
--- a/libedataserver/e-client.h
+++ b/libedataserver/e-client.h
@@ -66,7 +66,8 @@ typedef enum {
 	E_CLIENT_ERROR_INVALID_QUERY,
 	E_CLIENT_ERROR_QUERY_REFUSED,
 	E_CLIENT_ERROR_DBUS_ERROR,
-	E_CLIENT_ERROR_OTHER_ERROR
+	E_CLIENT_ERROR_OTHER_ERROR,
+	E_CLIENT_ERROR_NOT_OPENED
 } EClientError;
 
 const gchar *	e_client_error_to_string (EClientError code);
