Xbox Live connection fail "Additional authentication needed'

Hey Birdcadet!

If you are running into the "Additional authentication needed" error message when trying to connect to your network, give the following steps a try:

1. From the error message, select Enter alternate MAC address at the bottom of the screen, then select
   Manual
2. On a wireless PC connect to the Wi-Fi network you are trying to connect your console to. Once you have connected to your wireless network, you will now need to get the MAC address (physical address) of the PC
3. From your PC, open Command Prompt by typing CMD in the Cortana search box and then type ipconfig/all
4. Your MAC address is listed as "Physical Address" and is shown under the Ethernet adapter Ethernet section. Copy this number down and go back to your Xbox One console.
5. From your Xbox One console, enter the MAC address of your PC into the Alternate Wireless MAC address field. Once you have entered your MAC address, try connecting to your wireless network again.

I hope this helps. Let us know how it goes

Hiya Bird,

Thank you for Contacting Forum support.

I suggest to try a wired network and see if that allows the connection to work. If the issue continues then yes it is best recommended to contact your Internet provider and have them white list your mac address. (for the console and the computer mac)

Hope this helps.

Hi! Do you get this message with other devices at home?

Thank you for contact us! I'm Anderson, an Independent Consultant and a Microsoft user like you.

Good morning

How can i help you?

Follow the link on the comments I had the same issue and it worked like a charm!!