AWS Directory Service

Learn about the Active Directory Service for Microsoft Active Directory on AWS.

General

AWS provides several directory types.

The following three types currently feature on the exam:

  • Active Directory Service for Microsoft Active Directory
  • Simple AD
  • AD Connector

As an alternative to the AWS Directory service, you can build your own Microsoft AD DCs in the AWS cloud (on EC2):

  • When you build your own, you can join an existing on-premise Active Directory domain (replication mode).
  • You must establish a VPN (on top of Direct Connect if you have it).
  • Replication mode is less secure than establishing trust relationships.

The table below summarizes the directory services covered on this page as well as a couple of others and provides some typical use cases:

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