semi additive measure over time dimension doesnt work

  • I use SQL Server 2012 Enterprise Edition.

    According to many post online about semi additive measures it is possible to calculate a measures over a time dimension (calculate always the max value over the hierarchy) and an additive dimension. So I implemented a measures without changing the aggregate function. Then I used the Business Intelligence-Assistent to define a semi additive behavior for a individual measure. I switched the aggregate function from Sum to Max. That was all. After recalculation the cube I recognized that the system used the max-calculation for both dimension instead only for time dimension.

    Maybe I use a wrong attitude in related properties. I tried many different attitudes but nothing changed.

    I want to ask for help.

    solved: The implemention of max aggregat function seems to be incorrect. If I used 'LastNonEmpty' it works. So I write in MDX an own MAX funktion.

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