Troubleshooting Microsoft Exchange Online (MS-220) Practice Exam

Troubleshooting Microsoft Exchange Online (MS-220) Practice Exam


About Troubleshooting Microsoft Exchange Online (MS-220) Practice Exam

The Troubleshooting Microsoft Exchange Online (MS-220) Exam assesses the candidate's skills to identify, troubleshoot, and resolve issues with Microsoft Exchange Online, hybrid Exchange environments and related components, technologies, and services.


Who should take the exam?

The Troubleshooting Microsoft Exchange Online (MS-220) exam is suitable for candidates working with customers and other stakeholders to understand the details of any issues. 


Skills Required

The candidates are required to -

  • Interact with administrators and peers that work with other related technologies.
  • Experience with PowerShell and the Exchange PowerShell module.
  • Significant experience deploying, managing, and troubleshooting Microsoft Exchange Online environments.


Course Outline

The Troubleshooting Microsoft Exchange Online (MS-220) Exam covers the following topics - 

Domain 1 - Understanding Troubleshoot mail flow issues (20–25%)

1.1 Learn Troubleshooting Exchange Online mail flow issues

  • Examine and interpret message headers
  • Examine and interpret message trace results and policies associated with those results
  • Examine whether a mail flow rule or conditional mail routing is affecting mail flow
  • Examine and Identify rules that are evaluated and policies that are applied when sending or receiving email
  • Examine troubleshooting issues where users cannot send or receive email and no NDR is generated or displayed
  • Examine troubleshooting issues where email destined for one tenant is incorrectly routed to another tenant
  • Examine troubleshooting delivery delays


1.2 Learn troubleshooting mail flow issues with external systems

  • Examine and analyze SMTP protocol logs for hybrid deployments and third-party systems
  • Examine troubleshooting issues related to mail flow for hybrid deployments
  • Examine troubleshooting DNS-related mail flow issues
  • Examine troubleshooting SMTP relay issues
  • Examine troubleshooting SMTP certificate issues


1.3 Learn troubleshooting other mail flow issues

  • Examine and identify types of NDRs and interpret NDR data
  • Examine which active rules impact email attachments
  • Examine which rules are triggered when an email arrives at a user’s inbox
  • Examine troubleshooting issues related to blocked attachment types
  • Examine troubleshooting issues with corrupted inbox rules


1.4 Learn troubleshooting issues reported by Microsoft Defender for Office 365

  • Examine why an email is marked as spam
  • Examine why messages are being quarantined
  • Examine whether the sender SPF, DMARC, and DKIM records are valid
  • Examine troubleshooting anti-spam policies
  • Examine troubleshooting messages that are categorized as false positive or false negative


Domain 2 - Understanding Troubleshoot compliance and retention issues (25–30%)

2.1 Learn troubleshooting compliance issues

  • Examine and identify roles required to perform eDiscovery actions
  • Examine and describe Microsoft Purview compliance portal retention policies
  • Examine troubleshooting eDiscovery issues
  • Examine and identify what types of holds are associated with an item
  • Examine troubleshooting in place and eDiscovery holds
  • Examine Search for and delete email messages in an organization
  • Examine how to clear or purge recoverable item folders


2.2 Learn troubleshooting retention issues

  • Determine retention tag types and actions
  • Determine the process for calculating item retention age
  • Examine troubleshooting issues creating and applying retention policies
  • Examine and interpret Messaging Records Management (MRM) mailbox diagnostics logs
  • Examine and interpret message properties used by message records management (MRM)


2.3 Learn troubleshooting Microsoft Purview Message Encryption and S/MIME issues

  • Examine troubleshooting issues with messages that are not encrypted or decrypted as expected
  • • Troubleshoot issues where external users cannot decrypt messages but internal users can decrypt messages
  • Examine troubleshooting issues reading, replying to, or forwarding protected messages from Microsoft 365 on mobile devices
  • Examine troubleshooting mail flow rules
  • Examine troubleshooting revocation issues for encrypted emails
  • Examine troubleshooting S/MIME issues


2.4 Learn troubleshooting mailbox auditing issues

  • Examine troubleshooting issues searching audit logs
  • Examine troubleshooting user actions (for example user reports an item is deleted but they say they did not delete)
  • Examine troubleshooting bulk actions including email creation, moves, modifications, and deletion
  • Examine troubleshooting non-owner actions
  • Examine troubleshooting audit log retention period issues
  • Examine troubleshooting auditing not working


2.5 Learn troubleshooting journaling

  • Examine troubleshooting duplicate journal entries
  • Examine troubleshooting email not being journaled
  • Examine troubleshooting journal OME decryption issues


Domain 3 - Understanding Troubleshoot mail client issues (20–25%)

3.1 Learn troubleshooting connectivity and authentication issues

  • Determine how to obtain Outlook client configuration information
  • Examine troubleshooting Exchange authentication policies
  • Examine troubleshooting client access rules
  • Examine troubleshooting issues with modern authentication
  • Examine troubleshooting Outlook on the web (OWA) sign in issues
  • Examine troubleshooting Autodiscover issues
  • Examine Outlook client cannot connect to Exchange Online mailbox
  • Examine troubleshooting Outlook continuously prompting for Exchange Online password


3.2 Learn troubleshooting calendaring issues

  • Examine and analyze mailbox and calendar diagnostic logs
  • Examine troubleshooting broken manager/delegation issues
  • Examine troubleshooting Resource Booking Assistant issues


3.3 Learn troubleshooting calendar sharing issues

  • Examine troubleshooting permissions issues related to calendar sharing
  • Examine troubleshooting issues publishing and accessing calendars shared with external users
  • Describe why content for a published calendar is not up to date


3.4 Learn troubleshooting issues with mobile devices

  • Examine and identify mobile device access states and what the states indicate
  • Examine and review mobile devices statistics to confirm the reason for a block
  • Examine and review the Allow/Block/Quarantine (ABQ) list to identify blocked or quarantined devices
  • Examine troubleshooting Exchange device access rules
  • Examine and review and interpret ActiveSync logs to troubleshoot Outlook Sync EAS connection issues
  • Examine troubleshooting connectivity issues with native ActiveSync


Domain 4 - Understanding Troubleshoot Exchange Online configuration issues (15–20%)

4.1 Learn troubleshooting provisioning issues

  • Examine and troubleshoot validation errors encountered during object provisioning
  • Examine when to restore or recover an inactive mailbox
  • Examine troubleshooting issues managing resource mailboxes
  • Examine troubleshooting issues purging deleted users


4.2 Learn troubleshooting recipient issues

  • Examine troubleshooting automatic email forwarding
  • Examine troubleshooting matching issues with Azure AD, part of Microsoft Entra
  • Examine troubleshooting distribution list membership issues (including dynamic distribution groups)
  • Examine troubleshooting issues with archive mailboxes including auto-expanding archive mailboxes


4.3 Learn troubleshooting org-wide settings

  • Examine troubleshooting domain setup and configuration issues
  • Examine troubleshooting address book policies
  • Examine troubleshooting address lists
  • Examine troubleshooting allowed file types
  • Examine troubleshooting mailbox plans
  • Examine troubleshooting Client-Access Services (CAS) mailbox plans


4.4 Learn troubleshooting public folder issues

  • Examine troubleshooting Exchange Online access to public folders
  • Examine troubleshooting mail-enabled public folders
  • Examine troubleshooting issues sending email to public folders
  • Examine troubleshooting hybrid access to public folders
  • Examine troubleshooting load-balancing issues for public folders


Domain 5 - Understanding troubleshoot hybrid and migration issues (10–15%)

5.1 Understand troubleshooting hybrid configuration issues

  • Examine troubleshooting Hybrid Configuration Wizard issues
  • Examine troubleshooting hybrid mail flow issues
  • Examine troubleshooting free/busy issues for hybrid deployments
  • Examine troubleshooting issues synchronizing remote recipient attributes with Exchange Online


5.2 Troubleshoot migration issues

  • Examine troubleshooting endpoint creation issues
  • Examine and review migration users and move requests
  • Examine troubleshooting slow migrations
  • Examine troubleshooting Data Consistency Score (DCS) issues
  • Examine troubleshooting failed migrations
  • Examine troubleshooting public folder migration issues


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