Kasa authentication error
When you see the following error in the TerrariumPI logging you need to enable Third-Party Compatibility feature in the app.
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2025-12-11 03:47:55,212 - ERROR - hardware.relay.kasa_relay - Server response doesn't match our challenge on ip 192.168.1.XXX
Traceback (most recent call last):
File "/TerrariumPI/hardware/relay/kasa_relay.py", line 75, in _get_hardware_value
data = self.__asyncio.run(__get_hardware_state())
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/TerrariumPI/terrariumUtils.py", line 65, in run
return data.result()
^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 456, in result
return self.__get_result()
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 401, in __get_result
raise self._exception
File "/TerrariumPI/hardware/relay/kasa_relay.py", line 63, in __get_hardware_state
await self.device.update()
File "/opt/venv/lib/python3.11/site-packages/kasa/smartdevice.py", line 353, in update
response = await self.protocol.query(req)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/venv/lib/python3.11/site-packages/kasa/iotprotocol.py", line 43, in query
return await self._query(request, retry_count)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/venv/lib/python3.11/site-packages/kasa/iotprotocol.py", line 59, in _query
raise auex
File "/opt/venv/lib/python3.11/site-packages/kasa/iotprotocol.py", line 48, in _query
return await self._execute_query(request, retry)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/venv/lib/python3.11/site-packages/kasa/iotprotocol.py", line 86, in _execute_query
return await self._transport.send(request)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/venv/lib/python3.11/site-packages/kasa/klaptransport.py", line 309, in send
await self.perform_handshake()
File "/opt/venv/lib/python3.11/site-packages/kasa/klaptransport.py", line 279, in perform_handshake
local_seed, remote_seed, auth_hash = await self.perform_handshake1()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/venv/lib/python3.11/site-packages/kasa/klaptransport.py", line 233, in perform_handshake1
raise AuthenticationException(msg)
kasa.exceptions.AuthenticationException: Server response doesn't match our challenge on ip 192.168.1.XXX
More information can be found at the Kasa relay page
This post is licensed under CC BY 4.0 by the author.