Traccar server not working after update from 4.2 to 5.5 (Windows)
Anton thanks for pointing me to the right direction. Push is now working.
I added WebSocket in IIS now.
Useful links for me:
https://www.traccar.org/forums/topic/tutorial-how-to-secure-traccar-with-ssl-https-for-free-using-iis-and-lets-encrypt-on-windows-server/page/3/
https://www.oxygenxml.com/doc/versions/24.1.0/ug-waCustom/topics/WA-websocket.html
Probably the issue is with the WebSocket. You need to enable it in your ISS.