.NET Core Entity Framework get user running Stored Procedure


I have a ASP.NET Core Web API running which is running under Windows Authentication. I have Entity Framework for working with my database using connectionstring syntax:

"data source=dbserver;initial catalog=IntranetDB;persist security info=True;Integrated Security=SSPI;"

My Web API is running under a specific application pool and service account: sa_db.

This sa_db is owner of the database and has bulk load enabled.

One process in the API is savind a .csv file to a network share and then calls the SP to open this file and do something with it.


We got some issues about permissions ( Access Denied ), after some changes like adding the following to the SP:


we got the exception:

System.Data.SqlClient.SqlException (0x80131904): You do not have permission to use the bulk load statement.

But the sa_db has this enabled.

When we added the security group of the AD Users using the API to the SQL Database with bulk load enabled, everything worked.

Looking in the Activity Montitor of the SQL I only see the sa_db account.

Why is the SP running under the AD User using the API and not the service account?

asked on Stack Overflow Nov 28, 2019 by Mivaweb

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