Feedback

Your guide says - "During first startup, time will be synchronized. Ensure NTP is allowed in your network."
NTP is allowed as I have my own NTP servers which sync with the internet but NTP on HA Yellow was not being synchronised - after a bit of searching in the forum I found the config file is at /etc/systemd/timesyncd.conf and for my HA Yellow CM5 newly default built system this file did not have a line "NTP=" which I believe is an error -
Also as I can sync my own server to time.cloudflare.com the line "FallbackNTP= time.cloudflare.com" which is in the default file does not work
so I added a line
NTP=0.oceania.pool.ntp etc
and rebooted and the initial update started working

URL

https://www.home-assistant.io/installation/troubleshooting/

Version

2025.5.3

Additional information

For the NTP default config the pool maintainers recommend/requirement is that you need to create your own pool if you want to distribute a default config using the NTP pools. So in this case so you would need to do something like NTP=0.homeassistant.pool.ntp 1.homeassistant.pool.ntp

See [this link] (https://www.ntppool.org/en/vendors.html)