Dag and Red 1-0 Barnet
Dagenham saw off League Two bottom side Barnet thanks to Matthew Saunders' first-half strike.
Saunders put the Daggers deservedly in front following a bright start when he rifled into the roof of the net.
The hosts were barely put under any pressure throughout, but Bees midfielder Edgar Davids' shot did need a strong block from Luke Howell.
Luke Williamson almost doubled the advantage, but his stunning drive smashed against the bar.