Regarding an issue with Chromecast 2nd gen and Chromecast Audio

[GoogleNestTeam]

Update 3/20/25

Hey folks, 

If you previously performed a factory reset, we’re happy to report that the Google Home app update will reach all users today.

Please make sure you’re on version 3.30.1.6 for Android and 3.30.106 for iOS to set up your Chromecast (2nd gen) and Chromecast Audio. Check out this help center article if you need help updating the Google Home app.

If you’re still experiencing problems during setup, please reach out to customer support for further assistance. 

Thanks again for your patience while we worked to resolve this issue!

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Update 3/17/25:

Hi folks,

Thank you for your patience as we worked to resolve the issue with Chromecast (2nd gen) and Chromecast Audio devices. As of today, this disruption has been fixed.

If you did not perform a factory reset, your device should now function normally. If it is still not functioning as intended check the firmware version of your device by following the instructions here. If your device is not on the corresponding firmware version, please try rebooting your device to start the update process.

For users who have performed a factory reset, you will need to update your Google Home app to the latest version (3.30.1.6 for Android and 3.30.106 for iOS) to set up your Chromecast (2nd gen) or Chromecast Audio device again. The app roll out has begun and may take a few days to roll out to everyone. We’ll post a confirmation once the roll out to all users is complete.

We sincerely apologize for this disruption and any inconvenience it may have caused, and we are committed to ensuring all users are back up and running as quickly as possible.

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Update 3/14/25:

Hi everyone,

Thank you again for your patience, we have some good news - the fix should reach all users today. If your device has received the update it should be on the following firmware versions:

Chromecast (2nd gen): Firmware version 1.56.467165

Chromecast Audio: Firmware version 1.56.467166

Check the firmware version of your device by following the instructions here. If your device is not on the corresponding firmware version, please try rebooting your device to start the update process.

Please note: If you performed a factory reset during the troubleshooting process, you may still be experiencing an issue where you cannot re-setup the device. The team is working diligently to resolve this, and we will provide next steps as soon as possible.

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Update 3/13/25:

Hey everyone, thank you for your patience while we work to resolve this issue. Here’s the latest:

We have started to roll out a fix for the problem with Chromecast (2nd gen) and Chromecast Audio devices, which will be completed over the next few days. Your device must be connected to receive the update.

If you performed a factory reset during initial troubleshooting, you may still be experiencing an issue where you cannot re-setup your device. We are working to resolve this as soon as possible. Please continue to check the Community page here for updates and next steps.

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Update 3/11/25: 

Hi all,

An update on the situation: the team has identified the cause of the issue impacting Chromecast (2nd gen) and Chromecast Audio devices.

Please do not factory reset your device. If you previously performed a factory reset during troubleshooting, you may also be experiencing an issue where you're unable to re-setup your device. The team has identified the cause for this as well and is currently working on a fix.

We’re working to resolve this as soon as possible, and will keep you updated when there is more to share.

We sincerely apologize for the inconvenience, and appreciate your patience in the meantime.

Thank you.

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Hello,

We're aware of an emerging issue impacting Chromecast 2nd gen and Chromecast Audio devices, and we are working on a fix.

Do not factory reset your device - we will keep you all updated when the fix rolls out. If you have already factory reset your device, we will provide instructions to set your device back up as soon as possible.

Thank you for your patience.

[Mardecel]

SUGESTÃO...

PACIÊNCIA E AGUARDE...

COMPRE OUTRAS SOLUÇÕES... TV BOX.. AMAZON STICKER, XAOMI , TV SEM GOOGLE TV...

NO X RECLAMAR ...

EU USO OUTRAS FORMAS ...

SOU TECNICO E NAO DA PRA EXPLICAR ...

ABRAÇOS, DESEJO SORTE 

[MugiwaraJF86]

I love that solution, buy another thing. XD

[Luciana983]

What solutions or options do we have?

[csabex]

I think it will take a couple of days the solution, because this is a device that gets to end of life soon, so I don't think they will hurry to push a new firmware. Another thing is that maybee they push us to buy the newer version, the 3 and who knows the reason... Where do you live ? Just to see the country...

[Mardecel]

AGUARDAR...

RECLAMAR NO X...

COMPRAR UM STICKER AMAZON...

COMPRAR TV SEM TV GOOGLE...

COMPRAR UM TV BOX ...

AGUARDAR ATE A ATUALIZAÇÃO...

[Rancor_]

Same thing here

[Rancor_]

If you change the date on your phone back 2 days, it will reconfigure but still not be found on the network. It will display time, weather and the pictures again on your TV though.

[Pemi]

Funciona !!!

[Lauratho147]

Hello, 

I have a problem with my chromecast. It worked fine in the afternoon, but in the evening I can’t connect. It tells me there is a problem with wifi. I tried everything, can’t make it work. Can you help me? 

I don’t have any problem with my wifi, it works perfectly.

Thanks you, 

[MattQ]

Google announced the end of Chromecast in August of 2024: https://blog.google/products/google-nest/chromecast-history/
It looks like TLS security certificates on the devices are expiring and not being renewed by Google. Unless Google is willing to update the certificates there will now be 100 million new pieces of eWaste.

They could help us transition it to the OpenSource community and maintain it ourselves but that's up to Google.

[Gabri7]

this

[CoffinPrincess]

My Google Home app is not Recognizing my device as being online. When I select it, a message pops up saying it's not on the same network as my Phone that I'm using to connect. That isn't true looking at the device shows that it is on the same connection and network as my other devices. I Have my privacy settings to allow my connections to be made. I don't know  what else to do, as I've tried resetting my chromecast, my mobile device, router, turning off and on my settings, disconnecting and Recoconnecting from my network and I keep running into the same issue with errors that tell me to turn on settings I've already had on, or connect to a network I was already on.

[Misseclipse]

Same here, it stopped working, It's impossible to autenticate when I tried resetting it

[CoffinPrincess]

Yeah, I used my old android phone to see if it would work and I was told "We failed to Authenticate your Chromecast" and just links me to the google device website. Not sure why my iOS device just tells me We couldn't communicate with my device

[morpheus248]

Same issue on 2 Google Chromecast (old model) on 3 device. the third one, for some reason, for now it is working

[Aninlia]

Is it really working for you on 3rd gen? Did you do factory reset as well before its working?

[Guero951]

Yeah it was working great till this morning I have had no issues much over the years with it till today the Authentication error 

[Chopin]

Just sent an e-mail to Google (chromecast-support-eu)

with subject "you bricked my Chromecast?" and many other complaining words as gift.

I expect the whole of you to do the same.

[Cam9]

J'ai envoyé un mail aussi. 
Le problème c'est leur manque de communication...

[random198653]

Venting doesn't make any sense, if anything it slows them down and makes a lot of people, simple workers just like you, miserable on a Sunday evening. You're not getting "revenge" on who you think you are.

[ctgarvey]

Worked great for 5 years. i was using google TV today to cast a film. Then i tried to cast frmo netflix and there was

an odd error. So i checked internet and it suggested ......hard device reset. So idid that, and factory reset comes up on the TV that chromecastis plugged in to. Next i get the google home app on android and go to add a device to home. it see the device.... but fails at the next step with:

we couldnt authenticate your chromecast. please visit support.google.com/chromecast for help

i was casting a google TV film earlier todaty and it broke after that

I have rebooted everything,  chromecast, phone,wifi router . disable voice data. Any other straws i should be grasping at? The home app will not connect to the chromecast 2nd gen.

I waited for 30 mins for google support on the phone and they said.............nothing.

Any help most appreciated 🙂

!

[Lisroij]

The only thing I can say is that I have the exact same problem atm! Help!

[Narya]

Same problem here and just tonight 😞

[Evanna88]

Yesterday my Chromecast worked fine, suddenly today Netflix could not connect. Did all the troubleshooting - unplugged Chromecast, then factory reset it, restarted phone and router, uninstalled Home App and reinstalled it. When trying to set up the Chromecast device, it connects to the wifi but then I get this message in the Home App.

Living Room TV may be set up, but we could not communicate with it from your iPhone. Make sure that you have enabled local network access in your iPhone’s privacy settings. Then try again.

I have a Chromecast 2nd Gen and and iPhone 14 on iOS 18.3.1

I’ve made sure all my location and network settings are on. I’ve restarted the chrome cast twice and restarted my phone and nothing seems to work. Not sure what more there is for me to do. My local network setting is on for Google home and all my streaming apps my wifi is on and connected to the same network as my tv and chrome cast. Please help!

[Melru]

Same issue

[Marauder]

It's a known issue, Google working to fix

[Cor-Leon]

Exactly the same here. In The Netherlands.

Has trump ruled out the whole world by a new decrete? Wouldn't be surprised about anything anymore that comes from the US.

Resetted and trying to set up again.

Authentucation failure.

[Apexsurf]

I wondered if trump has ordered this as everywhere except USA seems to be affected

[Emcrawford68]

I am not discounting that Chump, I mean Trump, may be responsible. But, I am in the US and am having problem, too.

[AndyHA]

Same error here! The Gen 2 device is still very effective. It would be a big mistake for Google to decommission it. Please Google give an answer to the 1000s of impacted people. I was forced to see a football match on my pc!!!!

[Guero951]

Oh wow really so it's a Google issue then for sure it's not just my 2nd Gen Chromecast 

[Alex_197]

don't worry, I have 3rd generation and with the same errors

[GabrielaE25-]

Tengo dos chromecast que no están funcionando. En principio me decía que el firewall no estaba actualizado, ahora me figura un error de autenticación. Lo probé todo. ¿Cómo se puede solucionar?

[Letian]

Me sucede lo mismo, y no estoy encontrando solución.

Vos pudiste resolverlo?

[GabrielaE25-]

No, no pude.

[Rene11]

Todos los, chromecast dejaron de funcionar que pasa google reparen este problema rapido. 

[careban01]

No solucionaron nada! Estoy en Argentina, la hora local es 02:10

[Rene11]

Es una muy mala accion de google, decir ahora que no restablescas el chromecast, por que no podras solucionar el problema, si el problema se dio el dia de ayer en mi caso y nadie de soporte te asistio, muy mal google

[kmgdev]

Did a factory reset of the Chromecast and when I tried to re-connect via the Home app I got the message "We couldn't authenticate your Chromecast."

• Chromecast 2nd gen
• Pixel 6a
• Android version: 15
• Android Security Update: March 5, 2025
• Google Play System Update: January 1, 2025

[Edrizio]

Então esse que temos não serve mais ?