The fixture in
Once order was restored the match ended in a 2-2 draw, enough for Fortuna to win 4-3 on aggregate and replace Hertha in the Bundesliga next season.
Hertha argued that the result should be declared null and void and the match replayed as its players were unable to focus on football during the final minute of the match, and lodged an appeal with the DFB that was considered by a tribunal in a seven-hour hearing on Friday.
In announcing the tribunal's decision, chairman
"The referee reacted in accordance with the laws of the game and Hertha BSC's claim of a disadvantage because of the match interruption could not be substantiated."
Hertha has 24 hours to lodge an appeal against this latest ruling, and have previously indicated they intend to do so.
Eintracht Frankfurt goalkeeper Oka Nikolov will end a 19-year association with the Bundesliga club to continue his career in Major League Soccer.