Hello Einmimiria,

after a Live Chat with a SEE Agent we were able to determine that the problem might be caused by my providers DNS Server. So i changed the DNS Server to the Google DNS, flushed my DNS Cache and rebooted my router. The problem didn't occured on the PS4 because the PS4 was using the Sony Entertainment Network to communicate with the FFXIV Servers.

I will continue to observe this problem if it still occurs.

Thanks for your support!

Best regards