It's not you problem, most guys from my guild (germany, sweden, polen, french) also say that it lags like hell or that they can't reach their authentication server and if you read the forum you can see that even the american players seem to have these issues. Their damn backbone is not able to handle the load or their server cluster is overloaded.
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I have the same problem with regularay server not responding or authentication server timeouts ..
their network is simply totaly overloaded .. but hey they have 10-14 day to bring out the wonder.
I've already tried all the other settings.
But it is the same problem.
In the launcher, after you input your PW. Don't engage right away. Options is at the top left.