The Manchester United captain has got the taste for success in the Champions League back again after the success of 2008 when they won a penalty shoot-out with Chelsea.
But he also remembers how it felt to lose to Barcelona the following season and he would like to set the record straight.
After yesterday's 4-2 win over Blackpool, Vidic said: "We have to come down after this excitement. We have to prepare as best as we can for Barcelona.
"We are celebrating but everyone is thinking about the next game. It is the biggest game of the whole year.
"We know what it feels like to go to the final and lose. It was one of the saddest moments of my career. I am sure all the players won't forget that.
"We know we are facing a very, very good team and we have to be physically and psychologically ready. Against this Barcelona team you have to be intelligent.
"They have qualities but we will try to work on their weaknesses, expose them and try to win the game."