To join your DayZ server, you will need to follow these steps :
Add your server to Steam favourites
- Launch Steam.
- Click on the "View" tab.
- Then click "Servers".
- Go to the "Favourites" tab.
- Click "+" to add a new server.
- Paste your server address and port. Make sure to add 1 to your server port, for example :
example.axenthost.me:50000 => example.axenthost.me:50001
Join the server
- Launch DayZ.
- Click on the "Servers" tab.
- Then click "Servers".
- You can now see the server appear in your favourite list !
Conclusion
Adding the server through Steam is mandatory to see it in the DayZ launcher. Once added to your favourites without forgetting to add 1 to your server port, you should be able to connect and play on it without any problem.