diff --git a/homeassistant/components/vera/__init__.py b/homeassistant/components/vera/__init__.py
index b45716b33d6..0d34a521276 100644
--- a/homeassistant/components/vera/__init__.py
+++ b/homeassistant/components/vera/__init__.py
@@ -2,6 +2,7 @@
 import asyncio
 from collections import defaultdict
 import logging
+from typing import Type
 
 import pyvera as veraApi
 from requests.exceptions import RequestException
@@ -19,17 +20,25 @@ from homeassistant.const import (
     EVENT_HOMEASSISTANT_STOP,
 )
 from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryNotReady
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.entity import Entity
 from homeassistant.util import convert, slugify
 from homeassistant.util.dt import utc_from_timestamp
 
-from .common import ControllerData, SubscriptionRegistry, get_configured_platforms
+from .common import (
+    ControllerData,
+    SubscriptionRegistry,
+    get_configured_platforms,
+    get_controller_data,
+    set_controller_data,
+)
 from .config_flow import fix_device_id_list, new_options
 from .const import (
     ATTR_CURRENT_ENERGY_KWH,
     ATTR_CURRENT_POWER_W,
     CONF_CONTROLLER,
+    CONF_LEGACY_UNIQUE_ID,
     DOMAIN,
     VERA_ID_FORMAT,
 )
@@ -54,6 +63,8 @@ CONFIG_SCHEMA = vol.Schema(
 
 async def async_setup(hass: HomeAssistant, base_config: dict) -> bool:
     """Set up for Vera controllers."""
+    hass.data[DOMAIN] = {}
+
     config = base_config.get(DOMAIN)
 
     if not config:
@@ -107,10 +118,10 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
         all_devices = await hass.async_add_executor_job(controller.get_devices)
 
         all_scenes = await hass.async_add_executor_job(controller.get_scenes)
-    except RequestException:
+    except RequestException as exception:
         # There was a network related error connecting to the Vera controller.
         _LOGGER.exception("Error communicating with Vera API")
-        return False
+        raise ConfigEntryNotReady from exception
 
     # Exclude devices unwanted by user.
     devices = [device for device in all_devices if device.device_id not in exclude_ids]
@@ -118,20 +129,21 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
     vera_devices = defaultdict(list)
     for device in devices:
         device_type = map_vera_device(device, light_ids)
-        if device_type is None:
-            continue
-
-        vera_devices[device_type].append(device)
+        if device_type is not None:
+            vera_devices[device_type].append(device)
 
     vera_scenes = []
     for scene in all_scenes:
         vera_scenes.append(scene)
 
     controller_data = ControllerData(
-        controller=controller, devices=vera_devices, scenes=vera_scenes
+        controller=controller,
+        devices=vera_devices,
+        scenes=vera_scenes,
+        config_entry=config_entry,
     )
 
-    hass.data[DOMAIN] = controller_data
+    set_controller_data(hass, config_entry, controller_data)
 
     # Forward the config data to the necessary platforms.
     for platform in get_configured_platforms(controller_data):
@@ -144,7 +156,7 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
 
 async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
     """Unload Withings config entry."""
-    controller_data: ControllerData = hass.data[DOMAIN]
+    controller_data: ControllerData = get_controller_data(hass, config_entry)
 
     tasks = [
         hass.config_entries.async_forward_entry_unload(config_entry, platform)
@@ -159,43 +171,52 @@ async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) ->
 def map_vera_device(vera_device, remap):
     """Map vera classes to Home Assistant types."""
 
-    if isinstance(vera_device, veraApi.VeraDimmer):
-        return "light"
-    if isinstance(vera_device, veraApi.VeraBinarySensor):
-        return "binary_sensor"
-    if isinstance(vera_device, veraApi.VeraSensor):
-        return "sensor"
-    if isinstance(vera_device, veraApi.VeraArmableDevice):
-        return "switch"
-    if isinstance(vera_device, veraApi.VeraLock):
-        return "lock"
-    if isinstance(vera_device, veraApi.VeraThermostat):
-        return "climate"
-    if isinstance(vera_device, veraApi.VeraCurtain):
-        return "cover"
-    if isinstance(vera_device, veraApi.VeraSceneController):
-        return "sensor"
-    if isinstance(vera_device, veraApi.VeraSwitch):
-        if vera_device.device_id in remap:
+    type_map = {
+        veraApi.VeraDimmer: "light",
+        veraApi.VeraBinarySensor: "binary_sensor",
+        veraApi.VeraSensor: "sensor",
+        veraApi.VeraArmableDevice: "switch",
+        veraApi.VeraLock: "lock",
+        veraApi.VeraThermostat: "climate",
+        veraApi.VeraCurtain: "cover",
+        veraApi.VeraSceneController: "sensor",
+        veraApi.VeraSwitch: "switch",
+    }
+
+    def map_special_case(instance_class: Type, entity_type: str) -> str:
+        if instance_class is veraApi.VeraSwitch and vera_device.device_id in remap:
             return "light"
-        return "switch"
-    return None
+        return entity_type
+
+    return next(
+        iter(
+            map_special_case(instance_class, entity_type)
+            for instance_class, entity_type in type_map.items()
+            if isinstance(vera_device, instance_class)
+        ),
+        None,
+    )
 
 
 class VeraDevice(Entity):
     """Representation of a Vera device entity."""
 
-    def __init__(self, vera_device, controller):
+    def __init__(self, vera_device, controller_data: ControllerData):
         """Initialize the device."""
         self.vera_device = vera_device
-        self.controller = controller
+        self.controller = controller_data.controller
 
         self._name = self.vera_device.name
         # Append device id to prevent name clashes in HA.
         self.vera_id = VERA_ID_FORMAT.format(
-            slugify(vera_device.name), vera_device.device_id
+            slugify(vera_device.name), vera_device.vera_device_id
         )
 
+        if controller_data.config_entry.data.get(CONF_LEGACY_UNIQUE_ID):
+            self._unique_id = str(self.vera_device.vera_device_id)
+        else:
+            self._unique_id = f"vera_{controller_data.config_entry.unique_id}_{self.vera_device.vera_device_id}"
+
     async def async_added_to_hass(self):
         """Subscribe to updates."""
         self.controller.register(self.vera_device, self._update_callback)
@@ -254,4 +275,4 @@ class VeraDevice(Entity):
 
         The Vera assigns a unique and immutable ID number to each device.
         """
-        return str(self.vera_device.vera_device_id)
+        return self._unique_id
diff --git a/homeassistant/components/vera/binary_sensor.py b/homeassistant/components/vera/binary_sensor.py
index 557874f846a..7ab24e9544f 100644
--- a/homeassistant/components/vera/binary_sensor.py
+++ b/homeassistant/components/vera/binary_sensor.py
@@ -12,7 +12,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import Entity
 
 from . import VeraDevice
-from .const import DOMAIN
+from .common import ControllerData, get_controller_data
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -23,10 +23,10 @@ async def async_setup_entry(
     async_add_entities: Callable[[List[Entity], bool], None],
 ) -> None:
     """Set up the sensor config entry."""
-    controller_data = hass.data[DOMAIN]
+    controller_data = get_controller_data(hass, entry)
     async_add_entities(
         [
-            VeraBinarySensor(device, controller_data.controller)
+            VeraBinarySensor(device, controller_data)
             for device in controller_data.devices.get(PLATFORM_DOMAIN)
         ]
     )
@@ -35,10 +35,10 @@ async def async_setup_entry(
 class VeraBinarySensor(VeraDevice, BinarySensorEntity):
     """Representation of a Vera Binary Sensor."""
 
-    def __init__(self, vera_device, controller):
+    def __init__(self, vera_device, controller_data: ControllerData):
         """Initialize the binary_sensor."""
         self._state = False
-        VeraDevice.__init__(self, vera_device, controller)
+        VeraDevice.__init__(self, vera_device, controller_data)
         self.entity_id = ENTITY_ID_FORMAT.format(self.vera_id)
 
     @property
diff --git a/homeassistant/components/vera/climate.py b/homeassistant/components/vera/climate.py
index 9b8601e45d1..a8ba647c1d6 100644
--- a/homeassistant/components/vera/climate.py
+++ b/homeassistant/components/vera/climate.py
@@ -24,7 +24,7 @@ from homeassistant.helpers.entity import Entity
 from homeassistant.util import convert
 
 from . import VeraDevice
-from .const import DOMAIN
+from .common import ControllerData, get_controller_data
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -40,10 +40,10 @@ async def async_setup_entry(
     async_add_entities: Callable[[List[Entity], bool], None],
 ) -> None:
     """Set up the sensor config entry."""
-    controller_data = hass.data[DOMAIN]
+    controller_data = get_controller_data(hass, entry)
     async_add_entities(
         [
-            VeraThermostat(device, controller_data.controller)
+            VeraThermostat(device, controller_data)
             for device in controller_data.devices.get(PLATFORM_DOMAIN)
         ]
     )
@@ -52,9 +52,9 @@ async def async_setup_entry(
 class VeraThermostat(VeraDevice, ClimateEntity):
     """Representation of a Vera Thermostat."""
 
-    def __init__(self, vera_device, controller):
+    def __init__(self, vera_device, controller_data: ControllerData):
         """Initialize the Vera device."""
-        VeraDevice.__init__(self, vera_device, controller)
+        VeraDevice.__init__(self, vera_device, controller_data)
         self.entity_id = ENTITY_ID_FORMAT.format(self.vera_id)
 
     @property
diff --git a/homeassistant/components/vera/common.py b/homeassistant/components/vera/common.py
index 17536bcae69..66a2d6879dd 100644
--- a/homeassistant/components/vera/common.py
+++ b/homeassistant/components/vera/common.py
@@ -5,9 +5,12 @@ from typing import DefaultDict, List, NamedTuple, Set
 import pyvera as pv
 
 from homeassistant.components.scene import DOMAIN as SCENE_DOMAIN
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.event import call_later
 
+from .const import DOMAIN
+
 _LOGGER = logging.getLogger(__name__)
 
 
@@ -17,6 +20,7 @@ class ControllerData(NamedTuple):
     controller: pv.VeraController
     devices: DefaultDict[str, List[pv.VeraDevice]]
     scenes: List[pv.VeraScene]
+    config_entry: ConfigEntry
 
 
 def get_configured_platforms(controller_data: ControllerData) -> Set[str]:
@@ -31,6 +35,20 @@ def get_configured_platforms(controller_data: ControllerData) -> Set[str]:
     return set(platforms)
 
 
+def get_controller_data(
+    hass: HomeAssistant, config_entry: ConfigEntry
+) -> ControllerData:
+    """Get controller data from hass data."""
+    return hass.data[DOMAIN][config_entry.entry_id]
+
+
+def set_controller_data(
+    hass: HomeAssistant, config_entry: ConfigEntry, data: ControllerData
+) -> None:
+    """Set controller data in hass data."""
+    hass.data[DOMAIN][config_entry.entry_id] = data
+
+
 class SubscriptionRegistry(pv.AbstractSubscriptionRegistry):
     """Manages polling for data from vera."""
 
diff --git a/homeassistant/components/vera/config_flow.py b/homeassistant/components/vera/config_flow.py
index a040e4b96b5..26ae509337b 100644
--- a/homeassistant/components/vera/config_flow.py
+++ b/homeassistant/components/vera/config_flow.py
@@ -10,8 +10,13 @@ import voluptuous as vol
 from homeassistant import config_entries
 from homeassistant.const import CONF_EXCLUDE, CONF_LIGHTS, CONF_SOURCE
 from homeassistant.core import callback
+from homeassistant.helpers.entity_registry import EntityRegistry
 
-from .const import CONF_CONTROLLER, DOMAIN
+from .const import (  # pylint: disable=unused-import
+    CONF_CONTROLLER,
+    CONF_LEGACY_UNIQUE_ID,
+    DOMAIN,
+)
 
 LIST_REGEX = re.compile("[^0-9]+")
 _LOGGER = logging.getLogger(__name__)
@@ -92,15 +97,13 @@ class VeraFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
 
     async def async_step_user(self, user_input: dict = None):
         """Handle user initiated flow."""
-        if self.hass.config_entries.async_entries(DOMAIN):
-            return self.async_abort(reason="already_configured")
-
         if user_input is not None:
             return await self.async_step_finish(
                 {
                     **user_input,
                     **options_data(user_input),
                     **{CONF_SOURCE: config_entries.SOURCE_USER},
+                    **{CONF_LEGACY_UNIQUE_ID: False},
                 }
             )
 
@@ -113,8 +116,29 @@ class VeraFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
 
     async def async_step_import(self, config: dict):
         """Handle a flow initialized by import."""
+
+        # If there are entities with the legacy unique_id, then this imported config
+        # should also use the legacy unique_id for entity creation.
+        entity_registry: EntityRegistry = (
+            await self.hass.helpers.entity_registry.async_get_registry()
+        )
+        use_legacy_unique_id = (
+            len(
+                [
+                    entry
+                    for entry in entity_registry.entities.values()
+                    if entry.platform == DOMAIN and entry.unique_id.isdigit()
+                ]
+            )
+            > 0
+        )
+
         return await self.async_step_finish(
-            {**config, **{CONF_SOURCE: config_entries.SOURCE_IMPORT}}
+            {
+                **config,
+                **{CONF_SOURCE: config_entries.SOURCE_IMPORT},
+                **{CONF_LEGACY_UNIQUE_ID: use_legacy_unique_id},
+            }
         )
 
     async def async_step_finish(self, config: dict):
diff --git a/homeassistant/components/vera/const.py b/homeassistant/components/vera/const.py
index c4f1d0efa3a..34ac7faa669 100644
--- a/homeassistant/components/vera/const.py
+++ b/homeassistant/components/vera/const.py
@@ -2,6 +2,7 @@
 DOMAIN = "vera"
 
 CONF_CONTROLLER = "vera_controller_url"
+CONF_LEGACY_UNIQUE_ID = "legacy_unique_id"
 
 VERA_ID_FORMAT = "{}_{}"
 
diff --git a/homeassistant/components/vera/cover.py b/homeassistant/components/vera/cover.py
index a1f536d9cc1..bad36727c15 100644
--- a/homeassistant/components/vera/cover.py
+++ b/homeassistant/components/vera/cover.py
@@ -13,7 +13,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import Entity
 
 from . import VeraDevice
-from .const import DOMAIN
+from .common import ControllerData, get_controller_data
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -24,10 +24,10 @@ async def async_setup_entry(
     async_add_entities: Callable[[List[Entity], bool], None],
 ) -> None:
     """Set up the sensor config entry."""
-    controller_data = hass.data[DOMAIN]
+    controller_data = get_controller_data(hass, entry)
     async_add_entities(
         [
-            VeraCover(device, controller_data.controller)
+            VeraCover(device, controller_data)
             for device in controller_data.devices.get(PLATFORM_DOMAIN)
         ]
     )
@@ -36,9 +36,9 @@ async def async_setup_entry(
 class VeraCover(VeraDevice, CoverEntity):
     """Representation a Vera Cover."""
 
-    def __init__(self, vera_device, controller):
+    def __init__(self, vera_device, controller_data: ControllerData):
         """Initialize the Vera device."""
-        VeraDevice.__init__(self, vera_device, controller)
+        VeraDevice.__init__(self, vera_device, controller_data)
         self.entity_id = ENTITY_ID_FORMAT.format(self.vera_id)
 
     @property
diff --git a/homeassistant/components/vera/light.py b/homeassistant/components/vera/light.py
index 250842f1687..84f36fe3877 100644
--- a/homeassistant/components/vera/light.py
+++ b/homeassistant/components/vera/light.py
@@ -17,7 +17,7 @@ from homeassistant.helpers.entity import Entity
 import homeassistant.util.color as color_util
 
 from . import VeraDevice
-from .const import DOMAIN
+from .common import ControllerData, get_controller_data
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -28,10 +28,10 @@ async def async_setup_entry(
     async_add_entities: Callable[[List[Entity], bool], None],
 ) -> None:
     """Set up the sensor config entry."""
-    controller_data = hass.data[DOMAIN]
+    controller_data = get_controller_data(hass, entry)
     async_add_entities(
         [
-            VeraLight(device, controller_data.controller)
+            VeraLight(device, controller_data)
             for device in controller_data.devices.get(PLATFORM_DOMAIN)
         ]
     )
@@ -40,12 +40,12 @@ async def async_setup_entry(
 class VeraLight(VeraDevice, LightEntity):
     """Representation of a Vera Light, including dimmable."""
 
-    def __init__(self, vera_device, controller):
+    def __init__(self, vera_device, controller_data: ControllerData):
         """Initialize the light."""
         self._state = False
         self._color = None
         self._brightness = None
-        VeraDevice.__init__(self, vera_device, controller)
+        VeraDevice.__init__(self, vera_device, controller_data)
         self.entity_id = ENTITY_ID_FORMAT.format(self.vera_id)
 
     @property
diff --git a/homeassistant/components/vera/lock.py b/homeassistant/components/vera/lock.py
index f85beb5ba69..6a1158d18c4 100644
--- a/homeassistant/components/vera/lock.py
+++ b/homeassistant/components/vera/lock.py
@@ -13,7 +13,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import Entity
 
 from . import VeraDevice
-from .const import DOMAIN
+from .common import ControllerData, get_controller_data
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -27,10 +27,10 @@ async def async_setup_entry(
     async_add_entities: Callable[[List[Entity], bool], None],
 ) -> None:
     """Set up the sensor config entry."""
-    controller_data = hass.data[DOMAIN]
+    controller_data = get_controller_data(hass, entry)
     async_add_entities(
         [
-            VeraLock(device, controller_data.controller)
+            VeraLock(device, controller_data)
             for device in controller_data.devices.get(PLATFORM_DOMAIN)
         ]
     )
@@ -39,10 +39,10 @@ async def async_setup_entry(
 class VeraLock(VeraDevice, LockEntity):
     """Representation of a Vera lock."""
 
-    def __init__(self, vera_device, controller):
+    def __init__(self, vera_device, controller_data: ControllerData):
         """Initialize the Vera device."""
         self._state = None
-        VeraDevice.__init__(self, vera_device, controller)
+        VeraDevice.__init__(self, vera_device, controller_data)
         self.entity_id = ENTITY_ID_FORMAT.format(self.vera_id)
 
     def lock(self, **kwargs):
diff --git a/homeassistant/components/vera/scene.py b/homeassistant/components/vera/scene.py
index 2f3069f5332..c12f07c15af 100644
--- a/homeassistant/components/vera/scene.py
+++ b/homeassistant/components/vera/scene.py
@@ -8,7 +8,8 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import Entity
 from homeassistant.util import slugify
 
-from .const import DOMAIN, VERA_ID_FORMAT
+from .common import ControllerData, get_controller_data
+from .const import VERA_ID_FORMAT
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -19,22 +20,19 @@ async def async_setup_entry(
     async_add_entities: Callable[[List[Entity], bool], None],
 ) -> None:
     """Set up the sensor config entry."""
-    controller_data = hass.data[DOMAIN]
+    controller_data = get_controller_data(hass, entry)
     async_add_entities(
-        [
-            VeraScene(device, controller_data.controller)
-            for device in controller_data.scenes
-        ]
+        [VeraScene(device, controller_data) for device in controller_data.scenes]
     )
 
 
 class VeraScene(Scene):
     """Representation of a Vera scene entity."""
 
-    def __init__(self, vera_scene, controller):
+    def __init__(self, vera_scene, controller_data: ControllerData):
         """Initialize the scene."""
         self.vera_scene = vera_scene
-        self.controller = controller
+        self.controller = controller_data.controller
 
         self._name = self.vera_scene.name
         # Append device id to prevent name clashes in HA.
diff --git a/homeassistant/components/vera/sensor.py b/homeassistant/components/vera/sensor.py
index 3c4e0974b85..697af6f4562 100644
--- a/homeassistant/components/vera/sensor.py
+++ b/homeassistant/components/vera/sensor.py
@@ -13,7 +13,7 @@ from homeassistant.helpers.entity import Entity
 from homeassistant.util import convert
 
 from . import VeraDevice
-from .const import DOMAIN
+from .common import ControllerData, get_controller_data
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -26,10 +26,10 @@ async def async_setup_entry(
     async_add_entities: Callable[[List[Entity], bool], None],
 ) -> None:
     """Set up the sensor config entry."""
-    controller_data = hass.data[DOMAIN]
+    controller_data = get_controller_data(hass, entry)
     async_add_entities(
         [
-            VeraSensor(device, controller_data.controller)
+            VeraSensor(device, controller_data)
             for device in controller_data.devices.get(PLATFORM_DOMAIN)
         ]
     )
@@ -38,12 +38,12 @@ async def async_setup_entry(
 class VeraSensor(VeraDevice, Entity):
     """Representation of a Vera Sensor."""
 
-    def __init__(self, vera_device, controller):
+    def __init__(self, vera_device, controller_data: ControllerData):
         """Initialize the sensor."""
         self.current_value = None
         self._temperature_units = None
         self.last_changed_time = None
-        VeraDevice.__init__(self, vera_device, controller)
+        VeraDevice.__init__(self, vera_device, controller_data)
         self.entity_id = ENTITY_ID_FORMAT.format(self.vera_id)
 
     @property
diff --git a/homeassistant/components/vera/strings.json b/homeassistant/components/vera/strings.json
index 7b294eddbb9..844d1777f5d 100644
--- a/homeassistant/components/vera/strings.json
+++ b/homeassistant/components/vera/strings.json
@@ -1,7 +1,6 @@
 {
   "config": {
     "abort": {
-      "already_configured": "A controller is already configured.",
       "cannot_connect": "Could not connect to controller with url {base_url}"
     },
     "step": {
diff --git a/homeassistant/components/vera/switch.py b/homeassistant/components/vera/switch.py
index 0a9a94d6372..9e5af432ce8 100644
--- a/homeassistant/components/vera/switch.py
+++ b/homeassistant/components/vera/switch.py
@@ -13,7 +13,7 @@ from homeassistant.helpers.entity import Entity
 from homeassistant.util import convert
 
 from . import VeraDevice
-from .const import DOMAIN
+from .common import ControllerData, get_controller_data
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -24,10 +24,10 @@ async def async_setup_entry(
     async_add_entities: Callable[[List[Entity], bool], None],
 ) -> None:
     """Set up the sensor config entry."""
-    controller_data = hass.data[DOMAIN]
+    controller_data = get_controller_data(hass, entry)
     async_add_entities(
         [
-            VeraSwitch(device, controller_data.controller)
+            VeraSwitch(device, controller_data)
             for device in controller_data.devices.get(PLATFORM_DOMAIN)
         ]
     )
@@ -36,10 +36,10 @@ async def async_setup_entry(
 class VeraSwitch(VeraDevice, SwitchEntity):
     """Representation of a Vera Switch."""
 
-    def __init__(self, vera_device, controller):
+    def __init__(self, vera_device, controller_data: ControllerData):
         """Initialize the Vera device."""
         self._state = False
-        VeraDevice.__init__(self, vera_device, controller)
+        VeraDevice.__init__(self, vera_device, controller_data)
         self.entity_id = ENTITY_ID_FORMAT.format(self.vera_id)
 
     def turn_on(self, **kwargs):
diff --git a/tests/components/vera/common.py b/tests/components/vera/common.py
index 31e7c706ec9..29c6a0e8683 100644
--- a/tests/components/vera/common.py
+++ b/tests/components/vera/common.py
@@ -1,10 +1,15 @@
 """Common code for tests."""
-
+from enum import Enum
 from typing import Callable, Dict, NamedTuple, Tuple
 
 import pyvera as pv
 
-from homeassistant.components.vera.const import CONF_CONTROLLER, DOMAIN
+from homeassistant import config_entries
+from homeassistant.components.vera.const import (
+    CONF_CONTROLLER,
+    CONF_LEGACY_UNIQUE_ID,
+    DOMAIN,
+)
 from homeassistant.core import HomeAssistant
 from homeassistant.setup import async_setup_component
 
@@ -24,7 +29,15 @@ class ControllerData(NamedTuple):
 class ComponentData(NamedTuple):
     """Test data about the vera component."""
 
-    controller_data: ControllerData
+    controller_data: Tuple[ControllerData]
+
+
+class ConfigSource(Enum):
+    """Source of configuration."""
+
+    FILE = "file"
+    CONFIG_FLOW = "config_flow"
+    CONFIG_ENTRY = "config_entry"
 
 
 class ControllerConfig(NamedTuple):
@@ -32,31 +45,34 @@ class ControllerConfig(NamedTuple):
 
     config: Dict
     options: Dict
-    config_from_file: bool
+    config_source: ConfigSource
     serial_number: str
     devices: Tuple[pv.VeraDevice, ...]
     scenes: Tuple[pv.VeraScene, ...]
     setup_callback: SetupCallback
+    legacy_entity_unique_id: bool
 
 
 def new_simple_controller_config(
     config: dict = None,
     options: dict = None,
-    config_from_file=False,
+    config_source=ConfigSource.CONFIG_FLOW,
     serial_number="1111",
     devices: Tuple[pv.VeraDevice, ...] = (),
     scenes: Tuple[pv.VeraScene, ...] = (),
     setup_callback: SetupCallback = None,
+    legacy_entity_unique_id=False,
 ) -> ControllerConfig:
     """Create simple contorller config."""
     return ControllerConfig(
         config=config or {CONF_CONTROLLER: "http://127.0.0.1:123"},
         options=options,
-        config_from_file=config_from_file,
+        config_source=config_source,
         serial_number=serial_number,
         devices=devices,
         scenes=scenes,
         setup_callback=setup_callback,
+        legacy_entity_unique_id=legacy_entity_unique_id,
     )
 
 
@@ -68,14 +84,38 @@ class ComponentFactory:
         self.vera_controller_class_mock = vera_controller_class_mock
 
     async def configure_component(
-        self, hass: HomeAssistant, controller_config: ControllerConfig
+        self,
+        hass: HomeAssistant,
+        controller_config: ControllerConfig = None,
+        controller_configs: Tuple[ControllerConfig] = (),
     ) -> ComponentData:
+        """Configure the component with multiple specific mock data."""
+        configs = list(controller_configs)
+
+        if controller_config:
+            configs.append(controller_config)
+
+        return ComponentData(
+            controller_data=tuple(
+                [
+                    await self._configure_component(hass, controller_config)
+                    for controller_config in configs
+                ]
+            )
+        )
+
+    async def _configure_component(
+        self, hass: HomeAssistant, controller_config: ControllerConfig
+    ) -> ControllerData:
         """Configure the component with specific mock data."""
         component_config = {
             **(controller_config.config or {}),
             **(controller_config.options or {}),
         }
 
+        if controller_config.legacy_entity_unique_id:
+            component_config[CONF_LEGACY_UNIQUE_ID] = True
+
         controller = MagicMock(spec=pv.VeraController)  # type: pv.VeraController
         controller.base_url = component_config.get(CONF_CONTROLLER)
         controller.register = MagicMock()
@@ -101,7 +141,7 @@ class ComponentFactory:
         hass_config = {}
 
         # Setup component through config file import.
-        if controller_config.config_from_file:
+        if controller_config.config_source == ConfigSource.FILE:
             hass_config[DOMAIN] = component_config
 
         # Setup Home Assistant.
@@ -109,9 +149,21 @@ class ComponentFactory:
         await hass.async_block_till_done()
 
         # Setup component through config flow.
-        if not controller_config.config_from_file:
+        if controller_config.config_source == ConfigSource.CONFIG_FLOW:
+            await hass.config_entries.flow.async_init(
+                DOMAIN,
+                context={"source": config_entries.SOURCE_USER},
+                data=component_config,
+            )
+            await hass.async_block_till_done()
+
+        # Setup component directly from config entry.
+        if controller_config.config_source == ConfigSource.CONFIG_ENTRY:
             entry = MockConfigEntry(
-                domain=DOMAIN, data=component_config, options={}, unique_id="12345"
+                domain=DOMAIN,
+                data=controller_config.config,
+                options=controller_config.options,
+                unique_id="12345",
             )
             entry.add_to_hass(hass)
 
@@ -124,8 +176,4 @@ class ComponentFactory:
             else None
         )
 
-        return ComponentData(
-            controller_data=ControllerData(
-                controller=controller, update_callback=update_callback
-            )
-        )
+        return ControllerData(controller=controller, update_callback=update_callback)
diff --git a/tests/components/vera/test_binary_sensor.py b/tests/components/vera/test_binary_sensor.py
index 4b0d41d9a1e..a02c2ef1635 100644
--- a/tests/components/vera/test_binary_sensor.py
+++ b/tests/components/vera/test_binary_sensor.py
@@ -14,7 +14,7 @@ async def test_binary_sensor(
     """Test function."""
     vera_device = MagicMock(spec=pv.VeraBinarySensor)  # type: pv.VeraBinarySensor
     vera_device.device_id = 1
-    vera_device.vera_device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.is_tripped = False
     entity_id = "binary_sensor.dev1_1"
@@ -23,7 +23,7 @@ async def test_binary_sensor(
         hass=hass,
         controller_config=new_simple_controller_config(devices=(vera_device,)),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     vera_device.is_tripped = False
     update_callback(vera_device)
diff --git a/tests/components/vera/test_climate.py b/tests/components/vera/test_climate.py
index f11f3ea5a3b..370ecc18dcd 100644
--- a/tests/components/vera/test_climate.py
+++ b/tests/components/vera/test_climate.py
@@ -22,6 +22,7 @@ async def test_climate(
     """Test function."""
     vera_device = MagicMock(spec=pv.VeraThermostat)  # type: pv.VeraThermostat
     vera_device.device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.category = pv.CATEGORY_THERMOSTAT
     vera_device.power = 10
@@ -34,7 +35,7 @@ async def test_climate(
         hass=hass,
         controller_config=new_simple_controller_config(devices=(vera_device,)),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     assert hass.states.get(entity_id).state == HVAC_MODE_OFF
 
@@ -131,6 +132,7 @@ async def test_climate_f(
     """Test function."""
     vera_device = MagicMock(spec=pv.VeraThermostat)  # type: pv.VeraThermostat
     vera_device.device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.category = pv.CATEGORY_THERMOSTAT
     vera_device.power = 10
@@ -148,7 +150,7 @@ async def test_climate_f(
             devices=(vera_device,), setup_callback=setup_callback
         ),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     await hass.services.async_call(
         "climate",
diff --git a/tests/components/vera/test_config_flow.py b/tests/components/vera/test_config_flow.py
index 793e313125c..dceac728e4d 100644
--- a/tests/components/vera/test_config_flow.py
+++ b/tests/components/vera/test_config_flow.py
@@ -2,17 +2,13 @@
 from requests.exceptions import RequestException
 
 from homeassistant import config_entries, data_entry_flow
-from homeassistant.components.vera import CONF_CONTROLLER, DOMAIN
+from homeassistant.components.vera import CONF_CONTROLLER, CONF_LEGACY_UNIQUE_ID, DOMAIN
 from homeassistant.const import CONF_EXCLUDE, CONF_LIGHTS, CONF_SOURCE
 from homeassistant.core import HomeAssistant
-from homeassistant.data_entry_flow import (
-    RESULT_TYPE_ABORT,
-    RESULT_TYPE_CREATE_ENTRY,
-    RESULT_TYPE_FORM,
-)
+from homeassistant.data_entry_flow import RESULT_TYPE_CREATE_ENTRY, RESULT_TYPE_FORM
 
 from tests.async_mock import MagicMock, patch
-from tests.common import MockConfigEntry
+from tests.common import MockConfigEntry, mock_registry
 
 
 async def test_async_step_user_success(hass: HomeAssistant) -> None:
@@ -44,6 +40,7 @@ async def test_async_step_user_success(hass: HomeAssistant) -> None:
             CONF_SOURCE: config_entries.SOURCE_USER,
             CONF_LIGHTS: [12, 13],
             CONF_EXCLUDE: [14, 15],
+            CONF_LEGACY_UNIQUE_ID: False,
         }
         assert result["result"].unique_id == controller.serial_number
 
@@ -51,18 +48,6 @@ async def test_async_step_user_success(hass: HomeAssistant) -> None:
     assert entries
 
 
-async def test_async_step_user_already_configured(hass: HomeAssistant) -> None:
-    """Test user step with entry already configured."""
-    entry = MockConfigEntry(domain=DOMAIN, data={}, options={}, unique_id="12345")
-    entry.add_to_hass(hass)
-
-    result = await hass.config_entries.flow.async_init(
-        DOMAIN, context={"source": config_entries.SOURCE_USER}
-    )
-    assert result["type"] == RESULT_TYPE_ABORT
-    assert result["reason"] == "already_configured"
-
-
 async def test_async_step_import_success(hass: HomeAssistant) -> None:
     """Test import step success."""
     with patch("pyvera.VeraController") as vera_controller_class_mock:
@@ -82,28 +67,40 @@ async def test_async_step_import_success(hass: HomeAssistant) -> None:
         assert result["data"] == {
             CONF_CONTROLLER: "http://127.0.0.1:123",
             CONF_SOURCE: config_entries.SOURCE_IMPORT,
+            CONF_LEGACY_UNIQUE_ID: False,
         }
         assert result["result"].unique_id == controller.serial_number
 
 
-async def test_async_step_import_alredy_setup(hass: HomeAssistant) -> None:
-    """Test import step with entry already setup."""
-    entry = MockConfigEntry(domain=DOMAIN, data={}, options={}, unique_id="12345")
-    entry.add_to_hass(hass)
+async def test_async_step_import_success_with_legacy_unique_id(
+    hass: HomeAssistant,
+) -> None:
+    """Test import step success with legacy unique id."""
+    entity_registry = mock_registry(hass)
+    entity_registry.async_get_or_create(
+        domain="switch", platform=DOMAIN, unique_id="12"
+    )
 
     with patch("pyvera.VeraController") as vera_controller_class_mock:
         controller = MagicMock()
         controller.refresh_data = MagicMock()
-        controller.serial_number = "12345"
+        controller.serial_number = "serial_number_1"
         vera_controller_class_mock.return_value = controller
 
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
             context={"source": config_entries.SOURCE_IMPORT},
-            data={CONF_CONTROLLER: "http://localhost:445"},
+            data={CONF_CONTROLLER: "http://127.0.0.1:123/"},
         )
-        assert result["type"] == RESULT_TYPE_ABORT
-        assert result["reason"] == "already_configured"
+
+        assert result["type"] == RESULT_TYPE_CREATE_ENTRY
+        assert result["title"] == "http://127.0.0.1:123"
+        assert result["data"] == {
+            CONF_CONTROLLER: "http://127.0.0.1:123",
+            CONF_SOURCE: config_entries.SOURCE_IMPORT,
+            CONF_LEGACY_UNIQUE_ID: True,
+        }
+        assert result["result"].unique_id == controller.serial_number
 
 
 async def test_async_step_finish_error(hass: HomeAssistant) -> None:
diff --git a/tests/components/vera/test_cover.py b/tests/components/vera/test_cover.py
index 311c8013d86..f3dc2263749 100644
--- a/tests/components/vera/test_cover.py
+++ b/tests/components/vera/test_cover.py
@@ -14,6 +14,7 @@ async def test_cover(
     """Test function."""
     vera_device = MagicMock(spec=pv.VeraCurtain)  # type: pv.VeraCurtain
     vera_device.device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.category = pv.CATEGORY_CURTAIN
     vera_device.is_closed = False
@@ -24,7 +25,7 @@ async def test_cover(
         hass=hass,
         controller_config=new_simple_controller_config(devices=(vera_device,)),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     assert hass.states.get(entity_id).state == "closed"
     assert hass.states.get(entity_id).attributes["current_position"] == 0
diff --git a/tests/components/vera/test_init.py b/tests/components/vera/test_init.py
index 210037a2ca3..b3f7b3249ef 100644
--- a/tests/components/vera/test_init.py
+++ b/tests/components/vera/test_init.py
@@ -12,10 +12,10 @@ from homeassistant.components.vera import (
 from homeassistant.config_entries import ENTRY_STATE_NOT_LOADED
 from homeassistant.core import HomeAssistant
 
-from .common import ComponentFactory, new_simple_controller_config
+from .common import ComponentFactory, ConfigSource, new_simple_controller_config
 
 from tests.async_mock import MagicMock
-from tests.common import MockConfigEntry
+from tests.common import MockConfigEntry, mock_registry
 
 
 async def test_init(
@@ -24,7 +24,7 @@ async def test_init(
     """Test function."""
     vera_device1 = MagicMock(spec=pv.VeraBinarySensor)  # type: pv.VeraBinarySensor
     vera_device1.device_id = 1
-    vera_device1.vera_device_id = 1
+    vera_device1.vera_device_id = vera_device1.device_id
     vera_device1.name = "first_dev"
     vera_device1.is_tripped = False
     entity1_id = "binary_sensor.first_dev_1"
@@ -33,7 +33,7 @@ async def test_init(
         hass=hass,
         controller_config=new_simple_controller_config(
             config={CONF_CONTROLLER: "http://127.0.0.1:111"},
-            config_from_file=False,
+            config_source=ConfigSource.CONFIG_FLOW,
             serial_number="first_serial",
             devices=(vera_device1,),
         ),
@@ -41,8 +41,8 @@ async def test_init(
 
     entity_registry = await hass.helpers.entity_registry.async_get_registry()
     entry1 = entity_registry.async_get(entity1_id)
-
     assert entry1
+    assert entry1.unique_id == "vera_first_serial_1"
 
 
 async def test_init_from_file(
@@ -51,7 +51,7 @@ async def test_init_from_file(
     """Test function."""
     vera_device1 = MagicMock(spec=pv.VeraBinarySensor)  # type: pv.VeraBinarySensor
     vera_device1.device_id = 1
-    vera_device1.vera_device_id = 1
+    vera_device1.vera_device_id = vera_device1.device_id
     vera_device1.name = "first_dev"
     vera_device1.is_tripped = False
     entity1_id = "binary_sensor.first_dev_1"
@@ -60,7 +60,7 @@ async def test_init_from_file(
         hass=hass,
         controller_config=new_simple_controller_config(
             config={CONF_CONTROLLER: "http://127.0.0.1:111"},
-            config_from_file=True,
+            config_source=ConfigSource.FILE,
             serial_number="first_serial",
             devices=(vera_device1,),
         ),
@@ -69,6 +69,62 @@ async def test_init_from_file(
     entity_registry = await hass.helpers.entity_registry.async_get_registry()
     entry1 = entity_registry.async_get(entity1_id)
     assert entry1
+    assert entry1.unique_id == "vera_first_serial_1"
+
+
+async def test_multiple_controllers_with_legacy_one(
+    hass: HomeAssistant, vera_component_factory: ComponentFactory
+) -> None:
+    """Test multiple controllers with one legacy controller."""
+    vera_device1 = MagicMock(spec=pv.VeraBinarySensor)  # type: pv.VeraBinarySensor
+    vera_device1.device_id = 1
+    vera_device1.vera_device_id = vera_device1.device_id
+    vera_device1.name = "first_dev"
+    vera_device1.is_tripped = False
+    entity1_id = "binary_sensor.first_dev_1"
+
+    vera_device2 = MagicMock(spec=pv.VeraBinarySensor)  # type: pv.VeraBinarySensor
+    vera_device2.device_id = 2
+    vera_device2.vera_device_id = vera_device2.device_id
+    vera_device2.name = "second_dev"
+    vera_device2.is_tripped = False
+    entity2_id = "binary_sensor.second_dev_2"
+
+    # Add existing entity registry entry from previous setup.
+    entity_registry = mock_registry(hass)
+    entity_registry.async_get_or_create(
+        domain="switch", platform=DOMAIN, unique_id="12"
+    )
+
+    await vera_component_factory.configure_component(
+        hass=hass,
+        controller_config=new_simple_controller_config(
+            config={CONF_CONTROLLER: "http://127.0.0.1:111"},
+            config_source=ConfigSource.FILE,
+            serial_number="first_serial",
+            devices=(vera_device1,),
+        ),
+    )
+
+    await vera_component_factory.configure_component(
+        hass=hass,
+        controller_config=new_simple_controller_config(
+            config={CONF_CONTROLLER: "http://127.0.0.1:222"},
+            config_source=ConfigSource.CONFIG_FLOW,
+            serial_number="second_serial",
+            devices=(vera_device2,),
+        ),
+    )
+
+    entity_registry = await hass.helpers.entity_registry.async_get_registry()
+
+    entry1 = entity_registry.async_get(entity1_id)
+    assert entry1
+    assert entry1.unique_id == "1"
+
+    entry2 = entity_registry.async_get(entity2_id)
+    assert entry2
+    assert entry2.unique_id == "vera_second_serial_2"
 
 
 async def test_unload(
@@ -77,7 +133,7 @@ async def test_unload(
     """Test function."""
     vera_device1 = MagicMock(spec=pv.VeraBinarySensor)  # type: pv.VeraBinarySensor
     vera_device1.device_id = 1
-    vera_device1.vera_device_id = 1
+    vera_device1.vera_device_id = vera_device1.device_id
     vera_device1.name = "first_dev"
     vera_device1.is_tripped = False
 
@@ -145,6 +201,7 @@ async def test_exclude_and_light_ids(
 
     vera_device3 = MagicMock(spec=pv.VeraSwitch)  # type: pv.VeraSwitch
     vera_device3.device_id = 3
+    vera_device3.vera_device_id = 3
     vera_device3.name = "dev3"
     vera_device3.category = pv.CATEGORY_SWITCH
     vera_device3.is_switched_on = MagicMock(return_value=False)
@@ -152,6 +209,7 @@ async def test_exclude_and_light_ids(
 
     vera_device4 = MagicMock(spec=pv.VeraSwitch)  # type: pv.VeraSwitch
     vera_device4.device_id = 4
+    vera_device4.vera_device_id = 4
     vera_device4.name = "dev4"
     vera_device4.category = pv.CATEGORY_SWITCH
     vera_device4.is_switched_on = MagicMock(return_value=False)
@@ -160,6 +218,7 @@ async def test_exclude_and_light_ids(
     component_data = await vera_component_factory.configure_component(
         hass=hass,
         controller_config=new_simple_controller_config(
+            config_source=ConfigSource.CONFIG_ENTRY,
             devices=(vera_device1, vera_device2, vera_device3, vera_device4),
             config={**{CONF_CONTROLLER: "http://127.0.0.1:123"}, **options},
         ),
@@ -167,12 +226,10 @@ async def test_exclude_and_light_ids(
 
     # Assert the entries were setup correctly.
     config_entry = next(iter(hass.config_entries.async_entries(DOMAIN)))
-    assert config_entry.options == {
-        CONF_LIGHTS: [4, 10, 12],
-        CONF_EXCLUDE: [1],
-    }
+    assert config_entry.options[CONF_LIGHTS] == [4, 10, 12]
+    assert config_entry.options[CONF_EXCLUDE] == [1]
 
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     update_callback(vera_device1)
     update_callback(vera_device2)
diff --git a/tests/components/vera/test_light.py b/tests/components/vera/test_light.py
index 99391d8d82a..72118e33a31 100644
--- a/tests/components/vera/test_light.py
+++ b/tests/components/vera/test_light.py
@@ -15,6 +15,7 @@ async def test_light(
     """Test function."""
     vera_device = MagicMock(spec=pv.VeraDimmer)  # type: pv.VeraDimmer
     vera_device.device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.category = pv.CATEGORY_DIMMER
     vera_device.is_switched_on = MagicMock(return_value=False)
@@ -27,7 +28,7 @@ async def test_light(
         hass=hass,
         controller_config=new_simple_controller_config(devices=(vera_device,)),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     assert hass.states.get(entity_id).state == "off"
 
diff --git a/tests/components/vera/test_lock.py b/tests/components/vera/test_lock.py
index 11af1f5a7b7..b3433b2bafb 100644
--- a/tests/components/vera/test_lock.py
+++ b/tests/components/vera/test_lock.py
@@ -15,6 +15,7 @@ async def test_lock(
     """Test function."""
     vera_device = MagicMock(spec=pv.VeraLock)  # type: pv.VeraLock
     vera_device.device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.category = pv.CATEGORY_LOCK
     vera_device.is_locked = MagicMock(return_value=False)
@@ -24,7 +25,7 @@ async def test_lock(
         hass=hass,
         controller_config=new_simple_controller_config(devices=(vera_device,)),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     assert hass.states.get(entity_id).state == STATE_UNLOCKED
 
diff --git a/tests/components/vera/test_scene.py b/tests/components/vera/test_scene.py
index 29ef338b9f1..6c80f27d8c8 100644
--- a/tests/components/vera/test_scene.py
+++ b/tests/components/vera/test_scene.py
@@ -14,6 +14,7 @@ async def test_scene(
     """Test function."""
     vera_scene = MagicMock(spec=pv.VeraScene)  # type: pv.VeraScene
     vera_scene.scene_id = 1
+    vera_scene.vera_scene_id = vera_scene.scene_id
     vera_scene.name = "dev1"
     entity_id = "scene.dev1_1"
 
diff --git a/tests/components/vera/test_sensor.py b/tests/components/vera/test_sensor.py
index 36730e8d6d2..58e91a5581b 100644
--- a/tests/components/vera/test_sensor.py
+++ b/tests/components/vera/test_sensor.py
@@ -23,6 +23,7 @@ async def run_sensor_test(
     """Test generic sensor."""
     vera_device = MagicMock(spec=pv.VeraSensor)  # type: pv.VeraSensor
     vera_device.device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.category = category
     setattr(vera_device, class_property, "33")
@@ -34,7 +35,7 @@ async def run_sensor_test(
             devices=(vera_device,), setup_callback=setup_callback
         ),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     for (initial_value, state_value) in assert_states:
         setattr(vera_device, class_property, initial_value)
@@ -175,6 +176,7 @@ async def test_scene_controller_sensor(
     """Test function."""
     vera_device = MagicMock(spec=pv.VeraSensor)  # type: pv.VeraSensor
     vera_device.device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.category = pv.CATEGORY_SCENE_CONTROLLER
     vera_device.get_last_scene_id = MagicMock(return_value="id0")
@@ -185,7 +187,7 @@ async def test_scene_controller_sensor(
         hass=hass,
         controller_config=new_simple_controller_config(devices=(vera_device,)),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     vera_device.get_last_scene_time.return_value = "1111"
     update_callback(vera_device)
diff --git a/tests/components/vera/test_switch.py b/tests/components/vera/test_switch.py
index 60e31add4bd..42c74e4e843 100644
--- a/tests/components/vera/test_switch.py
+++ b/tests/components/vera/test_switch.py
@@ -14,6 +14,7 @@ async def test_switch(
     """Test function."""
     vera_device = MagicMock(spec=pv.VeraSwitch)  # type: pv.VeraSwitch
     vera_device.device_id = 1
+    vera_device.vera_device_id = vera_device.device_id
     vera_device.name = "dev1"
     vera_device.category = pv.CATEGORY_SWITCH
     vera_device.is_switched_on = MagicMock(return_value=False)
@@ -21,9 +22,11 @@ async def test_switch(
 
     component_data = await vera_component_factory.configure_component(
         hass=hass,
-        controller_config=new_simple_controller_config(devices=(vera_device,)),
+        controller_config=new_simple_controller_config(
+            devices=(vera_device,), legacy_entity_unique_id=False
+        ),
     )
-    update_callback = component_data.controller_data.update_callback
+    update_callback = component_data.controller_data[0].update_callback
 
     assert hass.states.get(entity_id).state == "off"