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Certification Path

There is no pre-requisite certification to sit for this exam. This is a Microsoft Associate Certfication and will give you Microsoft 365 Certified: Messaging Administrator Associate certification title.

Planning and managing the mail architecture (20-25%)

The following will be discussed in this section:

  • Implementing iSCSI for Mailbox Database Storage
  • Manage domains and SMTP name spaces (also known as address spaces) that you configure in an Exchange organization to receive email messages.
  • Analyze message headers to scan all incoming messages for spam, malware, and other threats
  • Trace a message via a delivery report feature in Microsoft Exchange Server 2016 which you can use to track delivery information about messages sent by and received from specific user mailboxes
  • Working with Microsoft Exchange Databases
  • Investigate transport logs to investigate an issue
  • Analyze a message trace to troubleshoot and track the health of their organization's mail flow
  • Analyze Non-Deliverable Reports (NDRs) for an error code that indicates why your email wasn't delivered, solutions to help you get your email delivered, a link to more help on the web, and technical details
  • Validate inbound and outbound mail flow
  • Configure connectors between tenants to manage mail traffic between Office servers and tenants
  • Manage transport rules mail flow rules in Exchange Online to look for specific conditions on messages that pass through your organization and take action on them.
  • Monitor Mail Flow
  • Considerations for Databases and Logs
  • Manage hybrid mail flow to combine on-premises and Exchange Online protection gateways which are mandatory to understand the functionality of mail flow scenarios in order to troubleshoot if any issue arrives
  • Create and configure connectors and route mail to and receive mail from recipients outside of your organization, a partner through a secure channel, or a message-processing appliance.
  • Using iSCSI for Accommodating Database Storage
  • Plan connectors to control inbound and outbound mail flow in Microsoft Exchange Server 2013.

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Required Technical Skills

To successfully serve as a messaging administrator, candidates should have proven knowledge and background experience in working with authentication types, integration, and licensing with the applications of the Microsoft 365 platform. Also, they should have a solid mastery of the following areas:

  • Hygiene management
  • Client access
  • Hybrid configuration
  • Mailboxes
  • Messaging infrastructure
  • Migration and transport

Once you’ve dealt with all those courses, you may wish to check the study guides available on Amazon for tests MS-203. One such example is:

  • How I Passed MS-203: Microsoft 365 Messaging Exam: Sure Shot Certification Tips by Empirical Matt Publications

    ‘How I Passed MS-203’ book takes a unique approach to help you prepare for your certification exam. The publisher surveys a couple of successful certified Messaging Administrators and distills their experiences into this 53-page book. Amongst other things, the respondents shared information about their preparation methods. The aim is that you glean wisdom from these individuals’ journey towards acing MS-203 and earning the associated certificate and use these lessons to guide your preparation. This resource makes your journey towards certification less lonely and enormously improves the odds of success in the real exam.

Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/ms-203

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Microsoft MS-203 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Manage Microsoft Exchange Online settings and resources40–45%- Plan and manage client access
  • 1. Manage certificates and authentication
  • 2. Configure Autodiscover and virtual directories
  • 3. Troubleshoot client connectivity
  • 4. Manage Outlook on the web and mobile device policies
- Manage organizational settings
  • 1. Manage address lists and address book policies
  • 2. Configure email address policies
  • 3. Configure organizational sharing and relationships
  • 4. Manage accepted and remote domains
- Manage recipients and resources
  • 1. Manage email addresses and forwarding
  • 2. Manage resource mailboxes and permissions
  • 3. Create and manage mailboxes, groups, and contacts
  • 4. Implement archive mailboxes and retention policies
Topic 2: Plan and manage mail transport architecture25–30%- Manage mail flow
  • 1. Create and manage transport rules
  • 2. Implement email authentication: SPF, DKIM, DMARC
  • 3. Configure hybrid mail flow
- Plan and configure connectors
  • 1. Implement enhanced filtering
  • 2. Configure cross-tenant connectors
  • 3. Create and manage inbound/outbound connectors
- Troubleshoot mail flow
  • 1. Interpret NDRs and transport logs
  • 2. Use connectivity analyzers
  • 3. Perform message trace and analyze headers
Topic 3: Secure the messaging environment25–30%- Manage compliance
  • 1. Implement retention and journal rules
  • 2. Configure data loss prevention (DLP)
  • 3. Manage eDiscovery and content search
- Implement threat protection
  • 1. Manage Microsoft Defender for Office 365
  • 2. Set up quarantine policies
  • 3. Configure anti-malware and anti-spam policies
- Manage permissions and security
  • 1. Implement data governance
  • 2. Manage audit logging and reporting
  • 3. Configure RBAC and admin roles

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