Dungeons And Dragons Online: Billing and Authentication Servers will be offline December 11th

Samera lets us known the following on the official forums:

The Billing System and Authentication Server will be down for maintenance on Monday, December 11th, from 10:30 am - 2:30 pm EST. During this time you will not be able to log in to the game, create a new account, or edit your account data. Please note: the game servers will still be online so if you'd like to play DDO during the maintenance window be sure to login to the game before 10:30 am EST.