This document outlines the role and responsibilities of Microsoft 365 messaging administrators. They are responsible for managing a secure and efficient email collaboration platform using Microsoft Exchange Online and Microsoft 365. This includes planning, configuring, and managing recipients, mail flow, threat protection, compliance, and client connectivity. They also collaborate with administrators of other workloads to implement a secure cloud messaging topology that meets the enterprise's business needs.
Candidates for this exam should be familiar with authentication types, licensing, integration with Microsoft 365 applications, Exchange Management Shell, Microsoft Purview, and Microsoft Azure Active Directory (Azure AD) in Microsoft Entra.
The English language version of this exam was updated on May 2, 2023. Check the study guide for details on the latest changes. Localized versions may be updated approximately eight weeks later, but there may be exceptions to this schedule.
Languages: English, Japanese, Chinese (Simplified), Korean, German, French, Spanish, Portuguese (Brazil), Chinese (Traditional), Italian
Retirement date: 12/31/2023
This exam measures your ability to accomplish the following technical tasks: manage Microsoft Exchange Online settings and resources; plan and manage the mail transport architecture; and secure the messaging environment.
The English language version of the exam was updated on May 2, 2023. Refer to the provided study guide for detailed information about the skills measured and the latest changes.
Manage Microsoft Exchange Online settings and resources (40–45%)
Plan and manage the mail transport architecture (25–30%)
Secure the messaging environment (25–30%)
MS-203 Plan and manage mail flow in Microsoft 365
MS-203 Manage message security in Microsoft 365
MS-203 Manage compliance in Microsoft 365
MS-203 Manage your Microsoft 365 messaging environment
MS-203 Manage role-based permissions in Microsoft 365
MS-203 Manage recipient objects and resources in Microsoft 365
MS-203 Manage Exchange hybrid settings and migrations
To prepare for the MS-203 exam, Microsoft recommends a combination of hands-on experience, formal training, and self-study. Candidates can access official Microsoft resources, including training courses, documentation, and practice exams. It's also beneficial to have practical experience working with Microsoft 365 services and messaging environments.
Recommended Training and References
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