The Millers face York in their first round replay a week on Wednesday and have been drawn away to Darlington in the next round if they make it through.
Here's the full draw details..
Full FA Cup second round draw
Sheffield Wednesday v Northampton Town
Burton Albion v Chesterfield
Cambridge United or Huddersfield v Macclesfield or Southend
AFC Wimbledon or Ebbsfleet v Stevenage or MK Dons
Hartlepool or Vauxhall v Yeovil
Bury v Stockport v Peterborough
Notts County v Bournemouth
Droylsdon v Dagenham & Redbridge or Leyton Orient
Crawley Town v Swindon Town
Brighton or Woking v FC United of Manchester
Southampton v Cheltenham Town
Torquay v Fleetwood or Walsall
Barnet or Charlton v Corby Town or Luton
Colchester v Swindon Supermarine
Hereford United v Lincoln City
Dartford or Port Vale v Accrington Stanley
Wycombe Wanderers v Chelmsford City
Carlisle v Tamworth
Dover Athletic v Brentford or Aldershot
Darlington v Rotherham or York City
*Ties to take place on weekend of 27 and 28 November