Porto boss Jesualdo Ferreira will not take charge of team affairs against Manchester United on Wednesday.
He has been banned by Uefa and is forbidden from contacting his players before or during the match, or from taking his place on the touchline.
The suspension relates to a gesture he made toward the referee when a Porto goal was disallowed during the European clash with Atletico Madrid on 24th February.
Porto appealed against an initial two-match ban and Ferreira was allowed to perform his duties last Tuesday when Porto earned a 2-2 draw in the first leg of their quarter-final tie at Old Trafford.
Uefa's appeals body has now reduced that sentence to a one-match touchline ban and deferred the second match suspension.
friggin man utd pay off!!
