MS-203 Exam Study Guide (Microsoft 365 Messaging)

MS-203 Microsoft 365 Messaging Study Guide

Preparing for the MS-203 Microsoft 365 Messaging exam to achieve the Microsoft 365 Certification for Messaging Administrator Administrator Associate? Don’t know where to start? This post is the MS-203 Certificate Study Guide (with links to each exam objective).

I have curated a list of articles from Microsoft documentation for each objective of the MS-203 exam. Please share the post within your circles so it helps them to prepare for the exam.

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Manage Organizational Settings and Resources (30-35%)

Plan and Manage Organizational Settings

Plan and Manage Client Access

Plan namespaces

Namespace planning in Exchange

Configure virtual directories and URLs

Configure Outlook on the web virtual directories

Configure external URLs

Configure internal URLs

Configure global Outlook on the Web policies

Configure Outlook on the web mailbox policy properties

Configure Autodiscover

Autodiscover service in Exchange Server

Troubleshoot client access connectivity problems

Outlook connection issues with Exchange mailboxes

Troubleshooting client connectivity

Manage Exchange certificates lifecycle

Digital certificates in Exchange Server

Add and manage DomainKeys Identified Mail (DKIM) signatures to domains

Use DKIM to validate outbound emails

Manage Recipient Resources

Manage Mobile Devices

Configure mobile device mailbox policies

Mobile device mailbox policies in Exchange

Configure mobile authentication methods

Account setup with modern authentication

Configure and manage Outlook mobile

Managing Outlook for iOS and Android

Manage mobile device access

Manage access to Exchange Online from iOS & Android

Configure and manage ActiveSync

Support more mobile devices by using Exchange ActiveSync

Plan and Manage the Mail Architecture (20-25%)

Plan and Configure Transport Architecture

Plan connectors

Connectors

Configure mail flow using connectors

Create and configure connectors

Set up connectors between Microsoft 365 & your email servers

Configure connectors between tenants

Microsoft 365 inter-tenant collaboration

Configure enhanced filtering for connectors

Enhanced Filtering for Connectors

Manage Mail Flow

Troubleshoot Mail Flow

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Plan and Implement a Hybrid Configuration and Migration (20-25%)

Plan and Implement a Hybrid Environment

Evaluate and configure hybrid free/busy access

Demystifying Hybrid Free/Busy: what are the moving parts?

Shared free/busy in Exchange hybrid deployments

Decide between Exchange Classic Hybrid and Exchange Modern Hybrid

Exchange Classic Hybrid vs. Exchange Modern Hybrid

Manage the Edge server role

Edge Transport servers with hybrid deployments

Configure Organization Configuration Transfer (OCT)

Hybrid Organization Configuration Transfer

Plan and configure the environment by using the Hybrid Configuration Wizard (HCW)

Hybrid Configuration wizard

Deploy the Exchange Hybrid Agent

Microsoft Hybrid Agent

Plan and Implement Migration

Evaluate migration methods, including cutover, staged, PST Imports, IMAP, Google Workspace (formerly G-Suite), batch migration by using the Exchange admin center

Microsoft 365 email migration performance

Migrate email using the Exchange cutover method

Perform a staged migration of email

Migrate your IMAP mailboxes to Microsoft 365

Perform a Google Workspace migration

Manage migration batches

Configure migration endpoints in Microsoft 365, including tenant-to-tenant

Move mailboxes between on-premises & Exchange Online

Configure migration endpoints

Cross-tenant mailbox migration

Manage mailbox migration request batches by using the Classic or New Exchange admin center

Manage migration batches

Manage mailbox migration

Migrating from non-Microsoft messaging systems

Migrate from other messaging systems

Troubleshoot mailbox migration

Troubleshoot migration issues in Exchange hybrid environment

Manage Public Folders

Move content between public folder mailboxes

Migrating public folders to Microsoft 365

Move a public folder to a different public folder mailbox

Create additional public folder mailboxes

Create a public folder mailbox

Implement public folder Top Level Hierarchy (TLH)

Implementing a public folder Top-Level Hierarchy (TLH)

Public folder hierarchy

Implement mail-enabled public folders

Mail-enable a public folder

Plan and configure public folders

Configure public folders for a hybrid deployment

Manage hold and discovery for public folders

Search and place a hold on public folders

Plan a public folder migration to Microsoft 365

Migrate legacy public folders to Microsoft 365

Secure the Messaging Environment (20-25%)

Manage Role-based Permissions

Manage role groups

Manage role groups in Exchange Online

Assign user accounts to admin roles

About the Exchange Online admin role

Manage user roles

Permissions in Exchange Online

Manage a delegated Role-based Access Control (RBAC) setup

Delegated setup

Plan RBAC roles for eDiscovery

Assign eDiscovery permissions

RBAC roles for eDiscovery

Manage Message Hygiene Using Exchange Online and Microsoft Defender for Office 365

Manage Compliance

This brings us to the end of the MS-203 Microsoft 365 Messaging Study Guide.

What do you think? Let me know in the comments section if I have missed out on anything. Also, I love to hear from you how your MS-203 certification preparation is going on!

In case you are looking for other Microsoft 365 certification exams check out this page

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