Failed to connect to server

[Zeva]

Posting this for a friend.
He have trouble logging in on the server, it gives him a "failed to connect to the server" message. He had no problems connecting yesterday and havn't changed any settings on his computers firewall or anything like that.

In other words my question is: have anything changed since the server came back on?

Me and my other friends have no problems, but it sucks that my friend can't play

Hoping for some quick help

EDIT
Fixed

[EvaCain]

same trouble with me today.

Can someone help?

[Loveless]

Server is having a small fix, since today is ToH (Trials of Heroes)

It will be back up in some minutes.