Moving outside of x=29999999 or z=29999999 causes a message to show up stating:
Connection Lost
Illegal position
[Back to title screen]
Clicking the Back to title screen button opens the Multiplayer menu.
MC-56331
Going outside x=29999999 or z = 2999999 creates "Connection Lost" dialog
Resolved
Duplicate
0
Duplicate of MC-50834 for the kicking, and MC-45602 for ending up on the multiplayer screen.