I honestly expected was to get a room or not get a room in the first 10 or 20 minutes, since I thought Estral/third-party would be providing an appropriately configured server/cloud. The reality was a little different. Does this match anyone else's experience?
Click EF link -> Too soon.
Click EF link -> Server not configured properly
Click EF link -> Server not configured properly
Click EF link -> Book a room -> Timeout
Click EF link -> Book a room -> Server not configured properly
Click EF link -> Book a room -> Enter group code (and other stuff which I assume means link not valid)
Click EF link -> Book a room -> 'Loading' in german. -> Booking page -> "Cannot book multiple rooms for one person" error -> Google translate -> Select multiple people then multiple rooms -> "Book" button (I think) -> "Reservations must be changed or canceled via the original booking system." -> <Back> -> Server not configured properly
Click EF link -> Book a room -> Timeout
Click EF link -> Book a room -> Timeout
Click EF link -> Book a room -> 'Loading' in german. -> Ten minutes pass (8:56) -> Internal Server Error - Read / The server encountered an internal error or misconfiguration and was unable to complete your request. / Reference #3.ac81655f.1484554340.ad08ae4c
Click EF link -> Book a room -> 'Loading' in german. -> Booking page -> Select multiple people then multiple rooms -> "Book" button (I think) -> [All room turned red] -> Internal server error
Click EF link -> Boom a room page appears then instantly changes to Internal Server Error - Read
The EF link included language ID which was set to 7. Would it be possible to provide the link in different languages next year? ID1 to ID7?
The system seemed to be run by iHoteler, which is a professional company, but perhaps they didn't get the message about being spammed by ~420 bookings in the first minute.
The most frustrating part of the experience was finally getting through to the booking page, and clicking on the 'next' button only to be kicked in the teeth, TWICE.