Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).
Search the Transact-SQL statement for syntax errors.
If creating a symmetric key using the RC4 or RC4_128, select a newer encryption such as one of the AES algorithms. (Recommended.) If you must use RC4, use ALTER DATABASE SET COMPATIBILITY_LEVEL to set the database to compatibility level 90 or 100. (Not recommended.)