Amazon has added support for Windows Authentication to the RDS for SQL Server database service available from the Amazon Web Services (AWS) cloud platform, enabling customers to use Active Directory credentials for authentication, and even link back to on-premise Active Directory infrastructure if required.
The Amazon Relational Database Service (Amazon RDS) is designed to allow AWS users to deploy and operate a relational database in the public cloud, typically as the back-end for applications and services developed on AWS.
Amazon RDS supports a number of common database engines, including Oracle and open source databases such as MariaDB, but AWS now offers authentication using the Windows Authentication method for customers choosing Microsoft's SQL Server.
This support means that user applications and services will be able to authenticate against Amazon RDS for SQL Server using credentials stored in the AWS Directory Service for Microsoft Active Directory (Enterprise Edition), Amazon said.
The latter is a fully managed Microsoft Active Directory in the AWS cloud that customers can use to manage Windows-based virtual machines and the applications and services running inside them on the AWS platform. It typically creates two domain controllers and DNS servers dedicated to the customer's cloud-based infrastructure.
Enterprise customers can also link back to on-premise Windows Domain infrastructure by setting up a forest trust relationship between that and their AWS Directory Service.
As well as new databases created using Amazon RDS for SQL Server, customers can modify an existing database instance to use the Windows Authentication method, Amazon said.
There are no additional charges for using Windows Authentication with Amazon RDS for SQL Server, according to the firm, but use of the AWS Directory Service for Microsoft Active Directory will be billed at regular AWS Directory Service rates.
Details on using Windows Authentication with an Amazon RDS for SQL Server database instances are available in Amazon's online documentation.
The AWS Windows Authentication support on Amazon RDS for SQL Server is now available from multiple AWS regions, including the firm's European presence in Ireland and the US East, US West and several Asia Pacific regions. More regions will follow at a later date, Amazon said.
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