Assume that you query external Active Directory (AD) data in SQL Server 2019. When you try to join a storage pool table with a data pool table, you may notice that the query may fail because the HDFS Delegation Token is invalidated. In addition, you may receive an error message as follows:
"Message Cannot bulk load because the file "[your file path]" could not be opened. "
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This issue is fixed in the following cumulative update for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Learn about the terminology that Microsoft uses to describe software updates.