Blizzard states that “once you confirm the account merge, you will be unable to immediately link a new console account to that battle.net account”. So, you need to get everything in order first before you actually initiate the account merge. Once an account merge has been completed, ...
-Unlink and reconnect Xbox profile from Blizzard account. BC-153Login error, unable to play the game-CheckDowndetectorfor server status. -Restart your gaming device and router -Change DNS servers -Check for updates forOverwatch 2 BN-115A connection problem when contacting the Authentication services...