From the official forums:
08/31/2013 4:19 PM
Several Worlds Technical Difficulties (Aug. 31)
We are currently experiencing technical difficulties wherein players are being disconnected from instances on the North American and European data center Worlds. As a result, customers who were disconnected from said content are unable to log in.
The issue is being addressed, and new updates will follow as additional information becomes available.
We apologize for any inconvenience this may cause.
[Date & Time]
From Aug. 31, 2013 12:53 a.m. (PDT)
- Disconnected from certain instances.
- Unable to log in after being disconnected from certain instances.
North American and European Data Denter Worlds