http://www.wildstar-online.com/en/news/2015-10-01-new-wildstar-realms-incoming/
First, we want to thank everyone for their amazing support as we enter this new and exciting chapter for WildStar. Since we launched WildStar Free-to-Play three days ago, we’ve experienced enormous demand from players. We’re thrilled by the overwhelming enthusiasm to see all of what Nexus has to offer – and that so many people are excited to play WildStar. We also recognize there have been some issues. Since we launched earlier this week, a huge number of new and returning players have experienced the game. We understand that, for some, the experience hasn’t been what it should be. Frankly, our megaservers are not handling the load they should. This means our server capacity isn’t keeping up with demand. We are working very hard to fix this and making improvements every hour. That doesn’t change the fact that some users are experiencing long queue times, delays when trying to create new characters, and intermittent lag. While we're making progress, it’s clear we need to do more. In the next 24 hours, we’ll be adding new hardware that will enable us to open up four realms across the United States and Europe. Adding these realms will significantly increase the amount of players who can get into WildStar. We believe that this will address the issues above, dramatically improving the game experience, reducing lag, and improving queues. Once we have resolved the current issues, we plan to merge these additional realms. It’s important to us that every player has an amazing time on Nexus. We are focused on delivering that experience.
Coldin, on 02 Oct 2015 - 01:52 AM, said:
Need some clarifications. You are planning to open up some additional realms to play on, correct. But afterward, once the main server issues are addressed, you will be merging those worlds back into Entity and Warhound? What is the plan for character names on the newly created servers if they will be merged back into the original ones?
All name exclusivity will be shared across the expanded servers; the server expanded out from Entity will not allow any name taken on Entity to be made on it, for example. This way the merge will be clean. 
1 Nowy PvE i 1 PvP Dla EU. Pozniej bedzie merge, nicki/nazwy gildii/circle - sa unikalne dla calego Wildstara, wiec jak na serwerze EU istnieje juz gildia POLACY, nikt nie bedzie mogl zajac tej nazwy na nowym serwerze, natomiast jezeli - na serwerze istnieje gildia np. Husaria - nikt nie zrobi jej na nowych realmach. (jak nizej).
EDIT:
Jest Maint w EU I wlasnie dodaja nowe serwery, po tym bedzie to samo w NA.
zrodlo @twitter :
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@WildStarOps Maintenance on maintenance on maintenance on maintenance.
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Justin Bailey 
WildStar Operations