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SQL SSRS Express Edition Cannot Connect to Azure SQL Databases

This has bit a couple of clients recently, figured I'd put out a PSA.

Express editions of SQL Server Reporting Service, from SQL 2016 on down, cannot connect to Azure SQL Databases. Turns out, getting something for free does have some significant limitations.

For example, you'll see an error message "The Report Server has encountered a configuration error" on a data source page, when creating a new SSRS data source in the Report Manager website. What you may have not noticed on this page was the possible values in the Data Source Type drop down list.

In express edition, "Microsoft SQL Server" is the only option. In Standard and higher editions, there are many data types to choose from, including "Microsoft SQL Azure". Remember that Azure SQL Databases can't accept OLEDB connections.

But why? On this page (and see caption right), Microsoft lists a large number of "Built-in data extensions," Azure SQL Database included. The explanation lies here, where under possible "Supported data source", Express edition only supports Express edition, while Standard and above supports "All SQL Server editions."

This is what you're looking at in SSRS Express:


This is what you could be doing, in SSRS Standard or higher:


So what's the solution?

Upgrading the edition of a SSRS Express edition instance in-place is possible

Remember you can install various SQL Server features (Database, RS, IS, AS) on different Windows servers, each only once, as part of your license. So if you already own a Standard+ edition SQL Server somewhere but aren't using the SSRS feature, you now have a good use for it. 
Myth BUSTED: The above is incorrect! In the Licensing Guide for each recent version of SQL Server you'll find this: "The software components of a single SQL Server 2016 license cannot be separated. Any OSE running any of the licensed components of SQL Server 2016, requires a license. For example, if the SQL Server DB is deployed in one OSE and SQL Server RS is deployed in another, both OSEs must be fully licensed for SQL Server 2016 accordingly." The language was different and less specific for SQL 2005.

There are also a large number of fantastic (and also fantasy) ideas that developers will have, including SSRS alternatives. Listen to them, sure. But keep in mind that if your platform is SSRS and all the features that come with it, you will need to pay for it at some point. SQL Express edition and never been and never will be intended or suitable for standalone production usage. 

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