I was waited 40 minutes enter The Thousand Maws of Toto-Rak and finally got into one and while I was watching the cut scene I received a 1017 error telling me the server was full. When I finally got back on to the server, 5+ minutes later I wasn't in the instance, had sign up again and to top it off it gave me a cool down penalty, 5 minutes, to use duty finder again.

As far as I can tell no one else in my free company dc'ed and there was no internet connection problem on my end so I am assuming it is something wrong on the instance servers end.