My partner and I had a blast with this mission even though it was not perfect. For the parts we got stuck in one of us just relogged then rejoined the same instance and team.
I myself got stuck in the conference room as the doors got deactivated for some reason but I just asked the team leader to wait up. These are very popular events on a tight deadline and understandly may not be 100% perfect on launch, so I always devise some form of simple 'code phrases' for team command and control so no one gets left behind.
I refuse to play in teams that 'run and gun' blindly, so there, I ensured everyone got everything right the first try.
I ended up doing twice of the second part of the mission (shooting your way to the gangway and the space combat) but that allowed me time to learn the mission and ace it.