and I get the message: "The server seems to be unreachable or has sent an invalid response. Details: please check the internet connection"

If you are trying to log in via landline internet (cable or WLAN):

Please check with your IT service provider if the necessary ports are enabled in your firewall.

The ports and technical description can be found at https://medcast.cloud.

(Your personal login data can be found on your delivery receipt).


To check if it is firewall restriction, you can try to connect to the Internet via the hotspot of a cell phone. If it works this way, the error is most likely due to a restrictive firewall and an activation via the IT service provider is necessary.

If you are trying to log in via the mobile network:

  • Keep trying the suggested solutions in the previous webpage.