The network may be offline for maintenance at various times.
Service was restored to most users on May 14, 2011 after the outage of April 20, 2011. Users were required to reset their passwords and download new software to connect to the network.
(to check the network status, see the related link)
PlayStation should be back up in a few weeks
it will be online may 31
There's no official date
Within a week was the latest answer from SonySee related Question
see related question
Shutdowns since them have only been for hours and normally for scheduled maintenance The network came back online after the April 20 2011 shutdown and the PlayStation store's return on June 2 2011was the last part of the network to come back online
It Is! The PlayStation Store is still down on May 16 2011, but the network is up
Apparentally Yes! PlayStation Network said they launched May 15th....So if its not up now,maybe in the next few days,OH AND....update ps3 to version 3.61
The network was shut down on April 20 2011 and it is not known when it will be back up. The related question has the latest informationsee related question
The network was shut down and no information is available on when it will be back up except within a week. The related question has details and will be updated with new informationSee related question
The network is down and related question has current status
You can't, you have to wait for the network to come back online, currently the PlayStation website says 1 or 2 days. The network is down more information is available under related question