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mDNS requires HA to be on same network as devices (#13245)

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Erik Montnemery 2020-05-01 23:28:03 +02:00 committed by GitHub
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source/_integrations/discovery.markdown
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@ -98,17 +98,17 @@ Valid values for enable are:
## Troubleshooting
### UPnP
### mDNS and UPnP
Home Assistant must be on the same network as the devices for UPnP discovery to work.
If running Home Assistant in a [Docker container](/docs/installation/docker/) use switch `--net=host` to put it on the host's network.
When running Home Assistant Core in a [Docker container](/docs/installation/docker/) command line option `--net=host` or the compose file equivalent `network_mode: host` must be used to put it on the host's network, otherwise mDNS and UPnP will not work.
### Windows
#### 64-bit Python
There is currently a <a href='https://bitbucket.org/al45tair/netifaces/issues/17/dll-fails-to-load-windows-81-64bit'>known issue</a> with running this integration on a 64-bit version of Python and Windows.
### could not install dependency netdisco
### Could not install dependency netdisco
If you see `Not initializing discovery because could not install dependency netdisco==0.6.1` in the logs, you will need to install the `python3-dev` or `python3-devel` package on your system manually (eg. `sudo apt-get install python3-dev` or `sudo dnf -y install python3-devel`). On the next restart of Home Assistant, the discovery should work. If you still get an error, check if you have a compiler (`gcc`) available on your system.