The issue might be caused by line issue or modem/router problem to better understand the situation could you send us your details (Username/Customer ID and the address on file) to proceed with initial assessment.     I am having the same problem now. Internet has been working for several days prior and now gives this message and I cannot connect to the internet. Have tried restarts. The router lights and tp link admin page indicate the internet is connected but I cannot reach due to this NBN configuration problem. Please assist. ... View more