The LOTRO Game Servers and http://myaccount.turbine.com will be offline for maintenance on Monday, May 7 from 5:00 to 11:00 AM Eastern (-4 GMT). The forums and wikis will remain up, but players may not be able to log in. For updates during the downtime, you can follow LOTRO on Twitter or like The Lord of the Rings Online on Facebook. Thanks for your patience, and we’ll see you back in the game soon!
Source: LOTRO Web Site