diff --git a/tests/test_duplicate_config.py b/tests/test_duplicate_config.py
index c71be44..a517d22 100644
--- a/tests/test_duplicate_config.py
+++ b/tests/test_duplicate_config.py
@@ -59,6 +59,16 @@ async def test_copy():
     assert not await list_sessions()
 
 
+@pytest.mark.asyncio
+async def test_copy_information():
+    od = make_description()
+    async with await Config(od) as cfg:
+        await cfg.information.set('key', 'value')
+        async with await cfg.config.copy() as ncfg:
+            assert await ncfg.information.get('key') == 'value'
+    assert not await list_sessions()
+
+
 @pytest.mark.asyncio
 async def test_copy_force_store_value():
     od = make_description()
diff --git a/tiramisu/config.py b/tiramisu/config.py
index e6cabd5..d80b4bf 100644
--- a/tiramisu/config.py
+++ b/tiramisu/config.py
@@ -654,6 +654,9 @@ class _CommonConfig(SubConfig):
         duplicated_settings = duplicated_config.cfgimpl_get_settings()
         await duplicated_values._p_.importation(connection,
                                                 await self.cfgimpl_get_values()._p_.exportation(connection))
+        await duplicated_values._p_.importation_informations(connection,
+                                                             await self.cfgimpl_get_values()._p_.exportation_informations(connection),
+                                                             )
         properties = await self.cfgimpl_get_settings()._p_.exportation(connection)
         await duplicated_settings._p_.importation(connection,
                                                   properties)
diff --git a/tiramisu/storage/dictionary/value.py b/tiramisu/storage/dictionary/value.py
index 60eff23..c0f5b0b 100644
--- a/tiramisu/storage/dictionary/value.py
+++ b/tiramisu/storage/dictionary/value.py
@@ -293,6 +293,18 @@ class Values:
                                connection):
         self._storage.set_informations({})
 
+    async def exportation_informations(self,
+                                       connection,
+                                       ):
+        return deepcopy(self._storage.get_informations())
+
+    async def importation_informations(self,
+                                       connection,
+                                       informations,
+                                       ):
+        #deepcopy(informations)
+        return self._storage.set_informations(informations)
+
     async def exportation(self,
                           connection):
         return deepcopy(self._storage.get_values())
diff --git a/tiramisu/storage/postgres/value.py b/tiramisu/storage/postgres/value.py
index 810a84a..a474b6b 100644
--- a/tiramisu/storage/postgres/value.py
+++ b/tiramisu/storage/postgres/value.py
@@ -231,6 +231,24 @@ class Values:
         await connection.execute("DELETE FROM information WHERE session_id = $1",
                                  self._storage.database_id)
 
+    async def exportation_informations(self,
+                                       connection,
+                                       ):
+        informations = {}
+        for path, key, value in await connection.fetch("SELECT path, key, value FROM information WHERE session_id = $1", self._storage.database_id):
+            path = self._storage.load_path(path)
+            informations.setdefault(path, {})[key] = loads(value)
+        return informations
+
+    async def importation_informations(self,
+                                       connection,
+                                       informations,
+                                       ):
+        for path, path_infos in informations.items():
+            for key, value in path_infos.items():
+                await connection.execute("INSERT INTO information(key, value, session_id, path) VALUES "
+                                         "($1, $2, $3, $4)", key, dumps(value), self._storage.database_id, path)
+
     async def exportation(self,
                           connection):
         # log.debug('exportation')