JMU announced that the national FCS semifinal against Montana will be played Friday night at 8 p.m at Bridgeforth Stadium.
The Dukes advanced in the playoffs with a 31-27 win over CAA foe Villanova in the FCS quarterfinals.
Montana, who is making their 16th straight playoff appearance, beat Weber State 24-13 in their quarterfinal matchup.
The top-seeded Dukes and fourth-seeded Grizzlies will be a rematch of the 2004 national championship, in which JMU was victorious 31-21.
Friday night's game will be televised nationally on ESPN2.