i also reported the problem.
http://feedback.dayzgame.com/view.php?id=4955

it appears to be whole server for a minute or so then more area based while everyone catches up.

it doesn't let you join because you crash the server.
http://feedback.dayzgame.com/view.php?id=4955

find a server with no one in it and try to unload backpacks if you get in.

Alt+F4, pc crash, internet disconnect, etc the server will not be able to tell what is legitimate crash and what is user provoked. all the server knows is a client timed out.
A solution could be preventing users from logging into a different server then what they were on for 30 min. since in a legitimate crash the user would likely want to rejoin the same server, this would be a problem legitimate players.