Holders to host Third Round clash.We'll have more details of the match once they are confirmed.
Concord currently sit in mid-table of the Conference South after nine games of the current campaign.
They went on to win the 2013/14 competition and will host the U's once again this season.
The two teams met at the Semi Final stage of the same competition last season, with Rangers edging the game 1-0 thanks to Gary Ogilvie's goal in the second half.
Colchester United will travel to Concord Rangers in the Third Round of this year's Essex Senior Cup.