Non-league side AFC Fylde beat Kingstonian 2-0 on Saturday to book their place in the third round of the 2019 FA Cup.
League One's Portsmouth needed a stoppage-time winner from Brett Pitman to end Altrincham's FA Cup dreams at Fratton Park.
Elsewhere, Cheltenham Town were beaten 3-1 at home by Port Vale, while Burton Albion overcame Oldham Athletic and Shrewsbury Town saw off Mansfield Town.
Oxford United knocked out Walsall on their way to the third round thanks to a late James Henry goal, but Forest Green Rovers and Carlisle United will have to replay after a 2-2 draw.