WOOT!
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[blizzard author=Datth link=http://forums.worldofwarcraft.com/thread.html;jsessionid=519E8D235EAA79A44125D43120E1414C?topicId=104561698&sid=1] Hi all,
The authentication went down for an emergency maintenance. I don't have any additional information at the time but keep an eye on the Tech forum or the Server Status forum for updates.[/blizzard]