Norwich City crashed out of the Carling Cup on penalties after being outplayed during much of the game.
Norwich City have gone out of the Carling Cup at Vale Park in the third round on penalties 3-2.
It was a below-par performance from the Canaries, who failed to produce the goods in normal time.
Port Vale, tenth in League One, put up a determined fight against new boss Peter Grant's side.
The home side proved to be more positive in normal time, with the Canaries never getting into their stride before a 4,500 crowd.
The Valiants, managed by Vale Park legend Martin Foyle, have never gone further than the third round of the League Cup.
Carl Robinson, Jason shackell and Robert Eagle all missed penalties.
OTHER RESULTS
Chesterfield2 West Ham1
Everton4 Luton0
Leeds1 Southend3
Leicester2 Aston Villa3
Notts County2 Southampton0
Sheff Utd2 Birmingham4
Watford2 Hull1
West Brom0 Arsenal2
Wycombe3 Doncaster2 (pen)
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