Coventry City's point today against Preston North End was enough to make them mathematically safe. City are 16th in the table.
Palace went a goal down at Derby but equalised through City old boy Stern John four minutes from time.
Blackpool who beat Forest 3-1 are the only side who can sneak in to the Play-Offs. Middlesbrough, whom City travel to next Saturday lost 2-0 at West Brom to end their hopes.
There were wins for top six sides Leicester, Swansea and Cardiff, whilst Reading stuffed Peterborough 6-0 and Scunthorpe beat Bristol City 3-0. In the other game today, Ipswich drew 1-1 with Doncaster.
In League One, Leeds remain second despite a 3-2 defeat at Gillingham with Millwall third and Swindon fourth.
Gary Madine scored for Carlisle in a 2-1 home defeat against Oldham and former City youngster Roy O'Donovan scored twice for Hartlepool in a 3-1 win over Colchester United.
Lee Hughes scored twice for Notts County who were promoted to League One following a 4-1 win over Morecambe. Rochdale's 1-0 win over Northampton also saw them promoted for the first time since 1974.
Stevenage Borough will enter the Football League for the first time next season following a 2-0 win at Kidderminster, which gave them the Conference Championship.