This will be an extensive downtime to launch the new All Access program.

Sony Online Entertainment has announced downtime for all its games and services on Tuesday, April 29, 2014:

Attention players: in order to roll out the new All Access membership plan, we will perform a maintenance beginning at 12:01 AM PDT on Tuesday, April 29, 2014. The downtime for this maintenance will be extensive and we will update you as each individual service becomes available. This will impact the following SOE services:

• All SOE Games
• All Official Forums
• Account management
• Commerce functions, including purchases

The downtime will be "extensive" with a current uptime ETA of Noon PT. You can read the All Access Program FAQ, which was last updated April 25, 2014, here.