Hi,
since several people complained that they can’t login to their normal server and can’t access the realm list to play on a lower population server either, here’s a quick tip:
Open WTF/Config.wtf in your WoW directory with a text editor
add this line to the end: SET disableAutoRealmSelect “1”
save and login and you should see the realm list instead of being logged into your default server right away
Note: that line will be automatically removed from your config once you selected a realm from the list, so if you pick another server that’s not working you will have to repeat those steps.