Missing Syncronization of Calendar between Outlook and iCloud.com

I want to syncronize my calendar between my Outlook (prof 2010) and my iPhone 5. I have set it all up according to this: https://www.youtube.com/watch?v=L1a-KHQG0n4 and syncronization between iPhone and iCloud.com work perfect but between Outlook and iCloud.com there is absolutly no communication. I have ticked the iCloud (green) calendar in Outlook but no information is exchanged. This thing almost drive me crazy - it is presented to be more than simple to setup and yet nothing works.

Can anyone assist me to make it work?

Thank you in advance!
Kim NeesgaardAsked:
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Miguel Angel Perez MuñozCommented:
It is possible your computer are connecting internet using proxy and connections to icloud are filtered?
Kim NeesgaardAuthor Commented:
Sorry for late answer! As far as I can see, no proxy settings are active.
Kim NeesgaardAuthor Commented:
In this video it is demonstrated that syncronization works:


but nevertheless after following all the provided instructions it doesn't work for me.

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Kim NeesgaardAuthor Commented:
I have not been able to find the solution on this so I have to accept without a good answer.
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