Transferred today in preparation for leveling to a lower population server. Before transferring I did my daily heroic Sethekk Halls run, previously this week I did a few 10man runs like Ony, TK - normal mount runs.
After transferring I noticed that I had lost all my RaidIDs. Naturally, when Armory updates I will post a screenshot of two heroic Sethekk Halls runs (last boss being killed). I did not faction charge, just a horde to horde server transfer.
This is no exploit, I'm sure at best a bug which will be resolved come Cataclysm. Heads up to do your weekly/daily runs before you transfer so you can double up.
Shortly after the armory updates I'll screenshot and give proof - hopefully someone can confirm between now and then.
Thanks,
AmG