End of double licensing: Microsoft SQL Server in Amazon RDS

Run SQL Server in the managed AWS service without re-licensing: Amazon RDS now allows bringing existing licenses and installation media.
Redmond Magazine

Restoring a Database to an Older Version of SQL Server

SQL Server backups cannot be restored to older versions directly. Use Export and Import Data-Tier Application for cross-version ...
InfoWorld

AWS targets a longtime cloud migration blocker with SQL Server license portability

Enterprises can now bring existing SQL Server licenses to Amazon RDS, making it easier to move operational data closer to AWS ...