Olap’s Lazy Aggregation Error

Lazy Aggregation Error
If you get an “Error during lazy aggregation of partition %PartName% in cube %CubeName%, this is typically caused by a lazy aggregation error.  To resolve this, you can:

  • Is the registry key ProcessReadSegmentSize at least 60% of physical memory on the machine? 
  • How much disk space available for the temporary directory?

Resolution of either one of these things should remove the Lazy Aggregation Error you are seeing.

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