http://support.jp.square-enix.com/main.php?la=0&id=35

Translation:

Niokimashite date following the maintenance work carried out on different systems Sumatorinkunettowaku Corporation. With this work, we will carry out maintenance work on the server that manages and unsubscribe. During this time, and you can not process the following operations. Content unsubscribe PlayOnline ID - apply for the various registration code check and change the information publishing service members purchase cancellation revival • The purchase of additional scenarios on the official website selling Square Enix security token apply for registration of transfer of service codes apply for the World Campaign "Character PlayOnline Membership Information" to apologize for any inconvenience you have, you you for your thank you note. Recorded date and time: April 5, 2011 (Tuesday) from 5:00 until 5:30 Subject: PlayOnline customers to Contents: Sumatorinkunettowaku like system maintenance, Inc.