Speaking to reporters on Wednesday, Lukaku hinted that Everton's lack of ambition could lead to his exit and Koeman was unhappy with the Belgian's decision to go public with concerns about Everton's transfer policy.
"Ross is a boy from Everton and what we need to show for him is the best reasons to stay and of course his situation is different because his (contract) is running out next season", added Koeman.
"I don't think it will be Chelsea or Tottenham but they spend money to play Champions League and one or two of them will not play in the Champions League". You can not only be remembered by scoring goals, you want to be remembered by winning trophies. I want my team to be the best. But you need to respect your contract.
Barkley has come under fire from supporters and his own manager Ronald Koeman this season but his form has improved considerably in recent months after a short spell on the substitute's bench before Christmas.
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Going forward, as new silicon generations are introduced, they will require the latest Windows platform at that time for support . That popular edition would be fully supported on six-generation processors - Intel's were dubbed "Skylake" - until July 17, 2017.
"Instead of living in the past, you have to think ahead".
"Then like sometimes I will speak to (Belgium team-mate) Vincent Kompany who was at (Manchester) City when it all happened".
Mourinho managed Lukaku during their time together at Chelsea, but ended up selling him as the player struggled for game time at Stamford Bridge. Head coach Antonio Conte is reportedly set to upgrade the Blues' attacking options in preparation for their Champions League participation next season.
Zaha has been instrumental in helping the Eagles climb out of the relegation zone under the tutelage of Sam Allardyce in recent weeks, but the club will know that the 24-year-old's disappointment of not being allowed to join Spurs last summer will not have dissipated.