Candidates for MS-203: Messaging Administrator Associate exam are messaging administrators who deploy, configure, manage, troubleshoot, and monitor recipients, compliance, threat protection, and mail flow in hybrid and cloud enterprise environments.
Messaging administrators are responsible for managing message hygiene, permissions, messaging infrastructure, hybrid configuration, migration, transport, mailboxes, and client access.
Messaging administrators collaborate with other workload administrators and the Microsoft 365 enterprise administrator to implement a secure hybrid or cloud-only messaging topology that meets the business needs of an enterprise.
The messaging administrator should have a working knowledge of authentication types, licensing, and integration with Microsoft 365 applications.
- Manage organizational settings and resources (30-35%)
- Plan and manage the mail transport architecture (20-25%)
- Plan and implement a hybrid configuration and migration (15-20%)
- Secure the messaging environment (25-30%)