Kiara posted on the official forums:

On Wednesday, February 25th, from 3:00-8:00 AM PST, SOE Account and Commerce flow, the Station Store, will be unavailable due to maintenance. We expect this maintenance to take approximately 5 hours.

This might also cause some forum accounts to temporarily lose permissions, due to the inability to verify account status while the maintenance is taking place. Normal permissions will return automatically once the maintenance is complete.

We apologize for the interruption and will resume all affected services as soon as the maintenance is completed.

Source:  Official EQII Forums