User blog comment:G0LD3NF1RE/E3 Elder Scrolls Online Roundup/@comment-24.1.74.142-20130617012444/@comment-5469467-20130617015810

It's been announced that each platform will be using a different server. Xbox One players will be on a separate server to PS4 ones, I'm afriad. The only exception is that PC and Mac players will be sharing a server.