PSN Will be Offline for Maintenance
Sony has announced that PSN will go offline next week for maintenance. The service will go offline on Monday, November 17th, from 18:00 GMT and it will last six hours, until Tuesday, November 18th at 00:00 GMT. During the maintenance you won’t be able to login the Account Management or the PS Store. If you login today in your account you’ll still be able to play online games during the maintenance.
The announcement was made on PlayStation Forum where was mentioned even the fact that after the end of the maintenance there will probably be some additional downtime for testing purposes.