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1. S3 base storage layer: Redshift access requires use of S3 as the base storage layer, which must be enabled. See Set Base Storage Layer. 
2. Same region: The Redshift cluster must be in the same region as the default S3 bucket.
3. Integration: Your  

   D s item
   item instance

    is  is connected to one of the supported Spark-based running environmentsa running environment supported by your product edition.
4. Deployment:

   D s platform

   is deployed either on-premises or in EC2.

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