Hey guys!
Okay, so...
Most of you guys are complaining and spamming the forums saying the xp isn't sticking.

The reason is:

If you get more than 1 kill, you go over a certain xp limit, and it goes just too high and your stats messes up, you go really high in the world, you'll more than likely get reset and your rank just looks fake...

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This could possibly help you...

Get ONE kill, and ONE kill only, BACKOUT, join back.

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Update 6/12/10
If your HOST, you will now also have to do this due to an apparent update.
*This isn't confirmed true but I've heard it.*

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Hope I solved all your problems.

PS: Not sure this works, it's just I've been in over 4 different ones today and this has worked fine, and there hasn't been a problem with the lobbys.

NOTE: If your going to backout on your own only do this if it's hosted in a locked private match.

NOTE: If your doing it online, wait for the whole team to get 1 kill then the host will migrate.

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Update 6/12/10 9:31 Pm GMT

It's now confirmed if you get more than 1 kill, even if your host, it doesn't count.
Also, the same for the players, if you get more than 1 kill, the xp doesn't stick.

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Updated 7/12/10 8:31 Pm GMT

Okay, so now it seems true that bans are only 48 hours (2 days.)
Your rank shall be reset to prestige 0, rank 1.
If you get into these lobbys, and get a kill, you are 89.4% chance you shall get banned according to previous confirmations.


[b]BASICALLY: ONLY GET ONE KILL AND STICK TO THE NOTES ABOVE

Thanks. 8)