Enable AD authentication for Polybase
Currently SAS is the only option for Polybase to access blob storage or datawarehouse.
Thanks for the request! Currently PolyBase only supports Storage Account Keys when connecting to Azure Storage Blobs. SAS token support is on our backlog.
Today, Storage does not support AD as an authentication method.
We will update when we move this feature through the backlog.
Miracle Zhou commented
Are you sure you can use SAS with Polybase? I attempted to create external tables in SQL Data Warehouse with SAS, the command always fails. Microsoft support confirmed that "Our product group was able to send me confirmation that Polybase doesn’t support SAS tokens at this time. Instead, use the storage account key. Please follow the following docs to see some examples on how to accomplish this. ".