Maintenance for the week of March 9:
• NA megaservers for patch maintenance – March 9, 4:00AM EDT (8:00 UTC) - 12:00PM EDT (16:00 UTC)
• EU megaservers for patch maintenance – March 9, 8:00 UTC (4:00AM EDT) - 16:00 UTC (12:00PM EDT)
• ESO Store and Account System for maintenance – March 11, 9:00AM EDT (13:00 UTC) - 1:00PM EDT (17:00 UTC)
Please see this article if this error message has persisted for you!
Thank you, @ZOS_Adrikoth. I discovered that it's something on my end. My ISP changed the terms of my internet plan and instituted a data cap yesterday. I'm livid.