Some Destiny 2 Lightfall players on Xbox Series X and Xbox Series S are having issues connecting to the game. The developer is currently working on a fix, however in the meantime they have released a temporary fix.
Exit Destiny 2 if running
Select the Destiny 2 file
Press the Menu button
Select “Manage games and additional content”
Select Destiny 2
Disable the following expansions:
Destiny 2 Forsaken - Dark Arsenal
Destiny 2 Forsaken - Jokers
Destiny 2 Forsaken - Penumbra
Expansion 1 Curse of Osiris
Expansion 2 The Warmind
Select "Save Changes"
Add-ons will be uninstalled from the queue screen
Launch Destiny 2