2 computers , same network, cannot join same server

[Swizzle 2]

When my friend and I try to join the same server we both lose connection and starts counting up in red text (forgot what it said) then we eventually get disconnected.

[semipr0 402]

Same problem for my wife and I here, have had a thread going for about a week on it http://dayzmod.com/forum/index.php?/topic/36739-two-computers-different-ips-same-house-cannot-connect-to-same-server/page__st__40#entry409924