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Exchange Server on AWS
Quick Start Reference Deployment Guide

Sample Deployment Scenarios

We have developed three sample deployment scenarios for running Microsoft Exchange Server 2013 on AWS that you can use as a starting point for your own requirements. You should use the Microsoft sizing tools as discussed previously in this guide to create your own design, and perform your own validation testing. The scenarios we cover include the following:

  • 250 mailboxes – The first scenario supports 250 mailboxes using the Quick Start architecture, which requires one Exchange server per Availability Zone.

  • 250 mailboxes – The second scenario supports 250 mailboxes using an architecture based on the Exchange PA, which requires two Exchange servers per Availability Zone.

  • 2,500 mailboxes – This scenario supports 2,500 mailboxes and requires four Exchange servers per Availability Zone.

These scenarios focus solely on the Exchange multi-role server infrastructure placed in private subnets. Follow the guidance in this Quick Start for deploying the Edge Transport and reverse proxy infrastructure in your public subnets for a complete, highly available design.

Note

Each scenario requires a number of Amazon EBS volumes to be attached to each Exchange Server instance. By default, a soft limit of 20 Amazon EBS volumes (per volume type) per AWS account is imposed. You can request a limit increase if needed.

Additionally, these deployment scenarios assume that 1-TiB Amazon EBS volumes are used for Exchange database and log files. To support larger mailboxes, you can deploy larger volumes, but be sure to use the Server Role Requirements Calculator to validate that the required IOPS can be achieved.