Originally Posted by
luitje
Well, if you are already all boked and set, then print out this lovely note you've got from Sheremetyevo and have it on you when travelling. If (or rather when) lovely guys at the transfer desk in C will start giving you hard time re you transferring to a different terminal, show the note to them and ask for a supervisor.
That implies that they've made it as far as SV
. I think there is a high probability that the airline won't let passengers board the flight to SVO if they don't have a transit visa. The agent will likely refer to Timatic, the data from which is posted above.