Horndean endured a frustrating afternoon as their FA Vase campaign came to an end with a 3-1 defeat at the hands of Wessex League rivals Verwood Town.
The Deans were guilty of missing a string of chances before the visitors settled the tie with two goals midway through the second half.
Dan Munday put the visitors in front after just 40 seconds.
Tommy Woodward, Aaron Fennemore, Lenny Burney and Adam Turner all missed good opportunities as first half wore on.
When Burney’s header immediately after the restart drew Horndean level, it looked as though they might kick on and win the tie.
But any hope of success disappeared when John Webb fired home from the penalty spot after he had been fouled by Chris Clark.
And another defensive error allowed Munday to run clear and roll in the third.
‘I can’t fault the effort we put in,’ said Deans boss Dave Carter.
‘We created enough opportunities to have won three games.
‘But if you don’t take your chances you won’t win your games. It’s as simple as that.
‘We looked good going forward but more sloppy defending has cost us dear.’
There was pain for United Services, too, as they lost out 3-2 to Bristol-based Winterbourne United at Burnaby Road.
But Fareham Town and AFC Portchester cruised through, while a Mike Asare goal saw Petersfield Town beat Fawley 1-0.
Matt Parr reckoned Fareham could have hit double figures in their tie with Bristol Academy at Cams Alders.
As it was, they ran out 4-1 winners thanks to goals from Josh Cripps – his first senior strike for the club – Ian Humble, John Wilson and the prolific Graham Lindsey.
‘It was very one-sided and they weren’t really up to our level,’ said Parr.
‘We could have finished up with double figures.
‘This is a competition where we can make an impact.’
AFC Portchester also coasted through with Paul Musselwhite and Simon Woods both grabbing doubles in the 4-0 win over Romsey Town at Wicor Mill.
‘We did enough and won at a canter,’ said director of football Mick Jenkins.
‘Once we got our second goal there was only going to be one winner.
‘We didn’t really have to get out of second gear.’
Meanwhile, in the Wessex League premier division Moneyfields slipped to a 2-1 defeat at Newport IOW.