Hibs' enchantment in opposition to Ryan Porteous ' crimson card at Pittodrie has failed.
The Easter Highway star will now serve an prolonged four-match suspension after being dismissed for clearing out Ross McCrorie in the course of the Edinburgh aspect's 3-1 defeat on Saturday.
Referee Alan Muir brandished a straight crimson and awarded a penalty which Lewis Ferguson transformed.
Hibs boss Shaun Maloney later agreed with the spot-kick determination however signalled his intention to contest the sending off.
The membership formally lodged the enchantment on Tuesday nevertheless it has been swiftly rejected by the SFA - leading to an additional recreation's ban for the Scotland U-21 centre-back.
The choice guidelines Porteous out of an upcoming Edinburgh derby with Hearts, in addition to Hibs ' subsequent outing in opposition to Dundee United.
He will even miss his aspect's first two fixtures following the Premiership cut up.
However the 22-year-old will return in time for a Scottish Cup semi-final showdown with the Jambos at Hampden on April 16.