Category: Software, Business, Data, Microsoft, automation

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Software Engineer, DevSecOps

Lyell Immunopharma, Inc.

When listening to our customers, they told us that whilst they were comfortable building Active Directory (AD) aware applications on AWS, making them work globally can be a real challenge. Customers told us that AWS Directory Service for Microsoft Active Directory had saved them time and money and provided them with all the capabilities they need to run their AD-aware applications.

The AWS Managed Microsoft AD deploys two domain controllers per region and places them in separate subnets which are in different Availability Zones, this is done for resiliency reasons so that the directory can still operate even if one of the Availability Zones has issues.

I select the Region that I want to add to my directory, in this example US West (Oregon) us-west-2, I then select a VPC in that Region and two subnets that must reside in separate Availability Zones.

It’s important to understand that this feature will create two domain controllers in each Region that you Add, and so applications that reside in these Regions can now communicate with a local directory which lowers costs by minimizing the need for data transfer.