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Microsoft 365 Certified:

Messaging Administrator Associate

Microsoft 365 Messaging Administrators deploy, configure, manage, and monitor messaging infrastructure, permissions, client access, mail protection, and mail flow in both on-premises, hybrid, and cloud enterprise environments.

This certification is one of the workload administrator certification required for the Microsoft 365 Certified: Enterprise Administrator Expert certification. One of these workload administrator certifications is required for the Enterprise Administrator Expert certification: Microsoft 365 Certified: Modern Desktop Administrator Associate, Microsoft 365 Certified: Teamwork Administrator, Microsoft 365 Certified: Security Administrator Associate, or Microsoft 365 Certified: Messaging Administrator Associate.

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Required exams

Image of Exam-MS-200

Exam MS-200: Planning and Configuring a Messaging Platform

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Exam MS-201: Implementing a Hybrid and Secure Messaging Platform

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Exam MS-202: Microsoft 365 Messaging Administrator Certification Transition

This exam is intended only for candidates who have taken Exam 70-345: Designing and Deploying Microsoft Exchange Server 2016. If you have not taken Exam 345, you will not earn a certification by taking this exam. MS-202 retires on September 30, 2019.

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Skills and knowledge

Candidates who earn a Messaging Administrator certification are verified by Microsoft to have the following skills and knowledge.

Manage databases
  • plan mailbox database requirements
  • create mailbox databases
  • configure mailbox databases
  • troubleshoot mailbox databases
Manage Database Availability Groups (DAGs)
  • plan DAG settings and members
  • create a DAG
  • manage DAG members
  • deploy and manage site resilience
  • test a database and datacenter failover scenario
  • troubleshoot DAG problems
  • evaluate Exchange services health
Manage and implement client access
  • plan namespaces
  • plan high availability for client access
  • configure virtual directories and URLs
  • configure client access policies
  • configure global Outlook Web App (OWA) policies
  • configure Autodiscover for Exchange
  • troubleshoot client access connectivity problems
  • manage Exchange certificates lifecycle
Manage disaster recovery
  • plan backup and recovery strategy
  • implement and perform backups
  • restore servers, databases, and mailboxes
Manage messaging infrastructure lifecycle
  • plan Exchange Server installation
  • prepare Active Directory (AD) for Exchange
  • install and update Exchange services
Plan the Transport Pipeline
  • plan transport architecture
  • design for multi-site mail flow
  • plan a high availability mail flow solution
Manage Connectors
  • plan connectors
  • create Send and Receive connectors
  • configure connectors
Manage Mail Flow
  • manage transport rules
  • manage domains
  • implement a multi-site mail flow
Troubleshoot mail flow problems
  • validate inbound and outbound mail flow
  • examine message trace
  • configure message tracking
  • analyze message headers with the remote connectivity analyzer
  • handle Non-Deliverable Reports (NDRs)
  • investigate transport logs
  • monitor mail flow
Manage recipient resources
  • manage archive mailboxes
  • manage resource mailboxes
  • manage groups
  • manage mailboxes
  • manage mailbox permissions
  • configure mailbox policies
  • manage shared mailboxes
  • evaluate license options
Manage mobile devices
  • configure mobile device mailbox policies
  • manage mobile device access
Plan a hybrid environment
  • evaluate federation in hybrid coexistence
  • evaluate hybrid free/busy access
  • decide between Exchange Classic Hybrid and Exchange Modern Hybrid
Deploy a hybrid environment
  • deploy and verify OAuth for a hybrid deployment
  • install and configure Edge server role
  • configure hybrid mail flow
  • configure federation in hybrid coexistence
  • configure Organization Configuration Transfer (OCT)
  • deploy the Exchange Hybrid Agent to one or more Exchange servers
  • implement advanced hybrid functionality, including On-premises, OneDrive access, and Outlook for iOS
Plan and implement migration
  • manage mailbox migration request batches
  • troubleshoot mailbox migration
  • evaluate migration types
  • configure migration endpoints in Microsoft 365
Manage public folders
  • troubleshoot public folder coexistence
  • move content between public folder mailboxes
  • create additional public folder mailboxes
  • implement public folder Top Level Hierarchy (TLH)
  • implement mail-enabled public folders
  • plan and configure public folders
  • plan a public folder migration to Microsoft 365
Manage role-based permissions
  • manage role groups
  • assign user accounts to admin roles
  • manage user roles
  • manage a delegated Role-based Access Control (RBAC) setup
  • plan RBAC roles for eDiscovery
Manage message hygiene
  • plan for message hygiene
  • manage connection filters
  • configure malware filters
  • configure spam filters
  • monitor action center
  • monitor quarantined items
  • manage protection for phishing
  • plan and configure Spam Confidence Levels (SCL)
Manage Advanced Threat Protection (ATP) for messaging
  • configure and manage ATP safe attachments
  • configure and manage ATP safe links
  • configure and manage ATP anti-phishing
  • manage ATP anti-spam
  • monitor Threat Protection Status
Manage compliance
  • configure retention policies
  • configure data loss prevention policies
  • review and analyze audit logs
  • manage journal rules
  • manage content search
  • manage litigation hold
Configure organizational settings
  • configure sharing
  • configure workload management
  • manage email address policies
Plan address lists
  • manage Global Address List (GAL)
  • manage Offline Address Book (OAB)
  • manage address book policies