The PlayOnline registration server will be unavailable due to maintenance at the following time. During this time, users will be unable to register or unsubscribe PlayOnline accounts, review or update their member information, or review, purchase, cancel, or reactivate Content IDs.

Also if there is a problem with the payment method, then you may be automatically disconnected from gameplay during the maintenance period. To avoid this, please complete all necessary billing changes in advance.

Thank you for your patience.

[Date & Time]
Phase 1
Dec. 1, 2006 0:00 to 6:00 (PST)

Phase 2
Dec. 2, 2006 0:00 to 8:00 (PST)
*Maintenance completion time may be subject to change.

[Affected Services]
PlayOnline

[Details]
Maintenance of the PlayOnline registration server.
*Both PlayOnline and PlayOnline contents will be available.

Several services including purchase, cancellation, and reactivation of Content ID will also be unavailable between Phase 1 and Phase 2. 

source: http://www.playonline.com/ff11us/polnews/news9120.shtml