Servers Down for Immediate Maintenance

We’ve just seen these server messages:

Greetings Norrath! The server will be coming down for a brief update at 03:30AM PDT Monday, May 02, 2011. Please find a safe place to log out before the server comes down. For more information on scheduled downtimes (link).

and:

SYSTEM MESSAGE: Greetings Norrath! The server will be coming down immediately for a update. Please plan accordingly to be logged off during this time. Thank you!