Over the next 48 hours, you may experience a problem with being able to log in to EverQuest. This issue has been reported by SOE's Community Manager:
The login issues reported this morning have begun to be resolved. However, some players may be unable to connect to SOE services intermittently for up to 48 hours, including websites, forums, and games. We apologize for the inconvenience.
Also, EverQuest servers will be taken offline early tomorrow morning as Argin-Hiz gets patched to live servers:
All EverQuest Live Servers will be brought offline on Wednesday, July 16, 2014 at 4:00 AM Pacific* in preparation for the Argin-Hiz patch. The servers are estimated to be unavailable for approximately four hours.