Users who are already signed into their account on PlayStation Network before the start of the maintenance will not be able to stay signed in to their online session and will be signed out at the start of the downtime period.
Edit:
^From PS.BlogUPDATE: This maintenance period has been postponed. We will re-post when the date is rescheduled. PSN’s online gaming and services on Thursday, March 1, will be normal.
-http://us.playstation.com/support/answer/index.htm?a_id=2185PlayStation Network will undergo a significant maintenance period on Sunday, March 4th 2012. Maintenance is expected to start at just after 12:00 PM PST and will last till approximately 2:00 AM PST.
Unlike typical maintenance events, if you are already signed-in to PSN, you will be signed-out and unable to sign back in for the duration of the maintenance window. During this time, you will not be able to access the PlayStation Store, PlayStation Home, Account Management or play online.
Last edited by a moderator: