“We are bringing the server down and will be wiping it,” the devs explained back in August. “The server will be repurposed later for a hardcore server. In the meantime, we are closing it down.”
The Hudson (US West) server is no more, requiring players to have transfered characters to either the US East or Europe server. The move has been in the works for a while now; Above & Beyond was preparing players for the shutdown and transfer back in June.