Assume that you disable "Allow Blob Public Access" on a storage account. In this situation, when you enable a managed or automated backup in Microsoft SQL Server 2016 or 2017, you receive the following error message:
"SQL Server Managed Backup to Microsoft Azure cannot configure the database 'DatabaseName' because a container URL was either not provided or invalid. It is also possible that your SAS credential is invalid."
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem is fixed in the following cumulative update for SQL Server:
Learn about the terminology that Microsoft uses to describe software updates.