Visitors Scunthorpe sold out of their initial allocation of 1,900 tickets earlier in the week and requested more from Forest for the game which sees Brian Laws return to the City Ground.
The former Forest defender, who won two league cup winner's medals under Brian Clough, has been in charge at Glanford Park since 1997 apart from a short spell in 2003 when he left the club but was reinstated three weeks later after a change in the boardroom.