Consideration for protecting RDS Custom for SQL Server assets
You can perform FULL, Differential incremental, and Transaction Log Backups of instances and databases.
Restore is only supported at the individual database level.
You can restore individual databases to their original location, alternate location, and alternate path. You can also restore the databases to an alternate RDS Custom SQL server.
For restoring a database to an Amazon RDS Custom SQL Server, the restore destination path must be under the
D:\rdsdbdatafolder.Configurations for instant access are not supported while restoring databases to an Amazon RDS Custom SQL Server.