Help Needed: Cannot access Home Assistant via IP or http://homeassistant.local:8123 [Solved]

What do you mean with “onboarding screen”?

The initial page that comes up when you first install Home Assistant is most likely what the OP is talking about.

If that is the case, I had a similar issue with the installation, it got stuck in initial “preparing” screen. The problem in my case was that the SD card had not enough capacity, and I had to use a bigger one. Maybe this could be the issue?

Yes, its basically a turning circle with an onboarding message
Nothing else

Well I did follow the recommended 64 G card
should be fine I think.

In any event, I have it working now.

Had the same problem where port 8123 didn’t respond while 4357 worked fine.
There are two ethernet ports on my mini-pc i use for ha. So my first thought was that some ha installation script mixed up those ethernet devices and wrote some wrong parameters into docker config. I have no idea how to exit ha cli and get into normal shell so I had try some other things. Like switching ethernet cable between ports with no effect, turning off ethernet in bios but sadly it doesn’t allow that, refreshing network setting with ha cli net command. Last thing that finally helped was switching cable to another port and reinstalling ha

I had a similar problem. All of a sudden I couldn’t connect to homeassist locally. The problem wasn’t the IP address, nor the IP reservation or DNS. a week ago I installed an antivirus which for some reason simply blocked the IP. so try to see if antivirus or firewall is causing the problem. Maybe that will help someone…

Hello, I have the same problem. I can access the monitoring system at http://192.168.0.107:4357/, but I can’t access port 8123. I had the same issue before with a Raspberry Pi 3 with a 16GB SD card, and I solved it by reinstalling HA. Now I’m trying it from an old notebook to update it to server mode. It installed without problems, but two days later, I can no longer Access it.

Hi, here I come to update. I tried with different devices and confirmed that the issue lies with the old laptop because it works excellently on other laptops and a NUC PC. The problem is specific to that laptop. The strange thing is that it’s only with that one. When looking at the monitor, it seems like it’s not connecting to the network, but it actually does. The watchdod appears

I give up on this device. I hope this information is useful to you. Regards.

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What browser are you using on that specific laptop and do you have ad blockers ? Disable any browser extensions.

It is most likely software vs specific hardware issues.

Aquí tienes la traducción del texto al inglés:


Hello, the notebook I am using as a server is an old HP. I tried with 4 and 8 GB of RAM, but I am not sure about the processor or the model since I only have the motherboard and haven’t looked up the model.

I tried on another notebook, another HP, and it worked without problems. To connect, I tried from a Xiaomi 9c phone, a Samsung A20, a Lenovo X250 notebook, and an HP EliteBook, but I couldn’t connect. I am not using any blockers. Regards.

aaaaand I have this issue again.
I am not sure if it was a recent update or IP change but I am no longer able to access the home assistant URL, tried from pc and a smartphone.
it runs on according to console (virtualized on proxmox), has correct ip, subnet mask, gateway and DNS. from PC the homeassistant.local resolves to correct IP address.
I did core restart, host restart, nothing seems to work.
‘resolution info’ only shows that there is no full backup.
how can I troubleshoot this further please ?

What does your router say? Are you all really on the same network / subnet? I once left hotspot on my phone on and things connected in a way that produced very similar symptoms.

Having the same issue on X86 install
after updating HA, I don’t have access.

Same here. Working for years, now out of the sudden the local acces is gone:

What is working:

What is not working:

The only thing which I see to be changed is a new SSL certificate.
HA ist running on Proxmox in a Unifi network with Pihole DNS. So far it was no problem.

EDIT: Working again.

Solution: update HA to latest version 2024.05 to 2024.06. (via command shell)

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has it been consistent since the upgrade?
i havent had an issue for years, and then the past few days i havent been able to login via my PC at all, and from my phone, randomly. but my tablet which is wall mounted doesnt seem to have an issue at all.

iv updated everything but to no success

Same here, I can’t log in to Ha anymore since the last update

@me.remedi Could your issue be related to Alexa Media Player memory leak? either disable, roll it back or remove (Alexa Media Player) it may get you back on line.
For the HA 2024.10.1 update

Same here! I just updated the Alexa Media Player integration and now I can’t log in either. I can see that my Rpi4 is connected to my network, but nothing works to connect. How can I disable this without access to my HA instance?

@zgadson @me.remedi
Boot in to safe mode
Read and follow these instructions: