By Vicki Hodges and Sam Lyon
The new Wembley will not be staging football before next season after the decision to move the 2006 FA Cup final and Football League play-offs because of doubts it will be ready in time
Here, BBC Sport rounds up the reaction from those involved.
THE MAIN PARTIES
FA chairman Brian Barwick
"Due to the magnitude of the Cup final, we are not prepared to compromise or take any risks on the stadium being unable to stage such a significant event."
"Whilst disappointed with the decision, Multiplex continues to work towards targeting completion of Wembley National Stadium at the earliest possible date."
Chairman of Sport England Lord Patrick Carter
"Since I became involved in the new Wembley I had no doubt we'd get the best stadium in the world and, like anything, it's probably worth waiting for.
"I think when the fans have a chance to see it, they will say it's been worth it. This has got the 'wow' factor. We invented the game, we should have the best stadium."
Stadium chief executive Michael Cunnah
"Although we share fans' disappointment at this news, the ultimate success of the stadium is not contingent upon opening in time for the FA Cup final. Wembley will be the greatest stadium in the world."
Stadium designer Rod Sheard
"It's a bit disappointing because of the huge amount of work that so many people have put into it, but in the big picture a few months is not going to make a huge difference.
"It's just disappointing in the short-term."
CLUBS STILL IN THE CUP
Roeder will be hoping to lead Newcastle to the Cup final
Newcastle caretaker manager Glenn Roeder
"Without a doubt, Wembley is the number one stadium in the world. It's the one place you would choose to play in a Cup final.
"So it's disappointing. But, then, if you are in a final, you won't really mind where it's played."
Bolton assistant manager Sammy Lee
"If we get to the FA Cup final it will be nice whether it be Wembley or the Millennium Stadium.
"We have enough problems of our own to worry about other than where the final is."
Manchester City supporters club representative Kevin Parker
"Any side that gets to an FA Cup final would like to play at Wembley. But teams would just like the chance to get to a final and are glad to make the most of wherever that fantastic occasion is held.
"The biggest downside, though, is that Wembley would have had a bigger capacity and that would have given each of the teams the opportunity to satisfy its fanbase."
England Supporters.com, an independent England website, owner Andrew Davis
"You could say that it's worked well for the England games to take place around the country, but it's obviously nice to have a home and it's disappointing that there's been this delay.
"But an extra three to four months to make sure everything is done is not a huge time to wait. Overall, it's disappointing but we saw it coming."
Cardiff City Centre Manager Paul Williams
"It's absolutely superb news for Wales. Because we've been on the back-burner for a while, we're absolutely in a great position to stage another fantastic event.
The FA has opted to use the Millennium Stadium for the Cup final
"I know that hotels and travel bookings have gone through the roof this morning so that's a good sign! We have a unique opportunity to ensure the FA Cup final leave Wales with a bang."
Cardiff Council Leader Rodney Berman
"We sympathise with the Football Association and the fans at the news Wembley will not be ready in time, but they can rest assured that here in Cardiff we will do everything we can to make sure the event this year is a memorable one."
Millennium Stadium spokeswoman
"We have been preparing since August when they provisionally booked us and everything is in place, it is just a case of getting the official go-ahead and getting the ball rolling now."
IMPLICATIONS FOR LONDON 2012 OLYMPICS?
Giselle Davies, IOC director of communications
"During the bidding process, the IOC asks for and is given guarantees with regard to venue construction for all the bid cities.
"The IOC is confident that London 2012 will honour those guarantees and deliver in time for 2012."
A London 2012 spokeswoman
"We learnt early in our bid the importance and benefits of having planning permission, delivery structures and funding in place to ensure the Games are organised on time.
"This we did and we have been able to start work immediately which will stand us in good stead as we move ahead.
"Wembley, as one of the world's most iconic football venues, will stage football finals in 2012."
A spokeswoman for the Department for Culture, Media and Sport
"We are disappointed that Wembley Stadium will not be the venue for this year's 2006 FA Cup final.
"However, we understand the FA's decision to put in place a firm arrangement so fans can avoid any further speculation or uncertainty.
"This should not distract from the fact that this stadium will be the greatest in the world."