This may be common knowledge, but if you're having trouble with party chat, clear your alternate MAC address under advanced network settings. It should fix disconnecting issues. : r/modernwarfare
MAC - WifiPlex
Xbox One multiplayer connection is poor but internet is good : r/xboxone
Finding the MAC address on an Xbox 360 | April's Portfolio
Fix Additional authentication needed error on Xbox console
Alternate wireless mac address xbox one - muslihb
How to locate the MAC address of your XBOX 360 – support.apu.edu
What is a MAC Address and How Do I Find It? | TechTarget
Clear cache and alternate mac address for xbox one | gyoudistmopa1978's Ownd
Fix Additional authentication needed error on Xbox console