Blog Post

Azure Synapse Analytics Blog
2 MIN READ

MSG 10519 When Attempting to Access External Table via Polybase

CharlRoux's avatar
CharlRoux
Iron Contributor
Jun 14, 2019
A common problem that people face while setting up their External Tables with polybase is running into the exception below. "This Request is not authorized to perform this action". The error occurs c...
Updated Apr 20, 2020
Version 3.0
Synapse Security
Synapse SQL
synapse support
azrahul's avatar
azrahul
Copper Contributor
Jul 23, 2021

This was pretty useful. Helped me sorted out this exact issue for a client.

However just adding the Storage Blob Data Contributor role to the storage account didn't work for me. I also had to add the Storage Data Reader role for the managed identity to get it working.

 

Thanks again!