Microsoft MS-203 Actual Free Exam Questions & Community Discussion

  • Exam Code/Number: MS-203
  • Exam Name/Title: Microsoft 365 Messaging
  • Certification Provider: Microsoft
  • Corresponding Certification: Microsoft 365 Certified
  • Exam Questions: 396
  • Updated On: May 28, 2026
Please wait while the virtual machine loads. Once loaded, you may proceed to the lab section. This may take a few minutes, and the wait time will not be deducted from your overall test time.
When the Next button is available, click it to access the lab section. In this section, you will perform a set of tasks in a live environment. While most functionality will be available to you as it would be in a live environment, some functionality (e.g., copy and paste, ability to navigate to external websites) will not be possible by design.
Scoring is based on the outcome of performing the tasks stated in the lab. In other words, it doesn't matter how you accomplish the task, if you successfully perform it, you will earn credit for that task.
Labs are not timed separately, and this exam may have more than one lab that you must complete. You can use as much time as you would like to complete each lab. But, you should manage your time appropriately to ensure that you are able to complete the lab(s) and all other sections of the exam in the time provided.
Please note that once you submit your work by clicking the Next button within a lab, you will NOT be able to return to the lab.

Use the following login credentials as needed:
To enter your username, place your cursor in the Sign in box and click on the username below.
To enter your password, place your cursor in the Enter password box and click on the password below.
Microsoft 365 Username: [email protected]
Microsoft 365 Password: xxxxxx
If the Microsoft 365 portal does not load successfully in the browser, press CTRL-K to reload the portal in a new browser tab.
The following information is for technical support purposes only.
Lab Instance: XXXXXX
Users report that email disclaimers are no longer being appended to email messages sent to external recipients.
You need to ensure that all email sent to external recipients contains your corporate disclaimer.
To complete this task, sign in to the Microsoft 365 admin center.
Correct Answer:
See explanation below
Explanation:
In the Microsoft 365 admin center, choose Admin centers > Exchange.
Open the EAC and go to Mail flow > Rules.
Click Add +, and then click Apply disclaimers.

In the New rule window that appears, enter a unique name the rule.
In the Apply this rule if box, select the conditions for displaying the disclaimer. For example, select The recipient is located condition, and then select Outside the organization. If you want this rule to apply to every message that enters or leaves your organization, select [Apply to all messages].
Next to the Do the following box, select Enter text to enter the text of your disclaimer.
Click Select one, and select one of the Fallback options if the disclaimer can't be added.
Specify the audit severity level to assign the severity level that appears in the message log.
Select the mode for the rule. Select Enforce to turn on the disclaimer immediately, or select Test without Policy Tips to put a message in the message tracking log instead of adding the disclaimer.
If you have additional conditions or exceptions that you want to add, select More options at the bottom of the page, which will show additional settings. For example, to add the exception that prevents multiple disclaimers being added in an email conversation, select Add exception and then select The subject or body > Subject or body matches these text patterns, and then specify the words or phrases in your disclaimer. Or, to put your disclaimer at the top of the email message instead of the bottom, in Do the following, select Apply a disclaimer to the message > prepend a disclaimer.
11. When you're finished, click Save.
Reference:
https://docs.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/disclaimers-signatures-footers-or-headers
You need to configure the required objects for the branch office administrators.
What should you create for each administrator?
Correct Answer: D Vote an answer
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Your company named ADatum Corporation has a Microsoft 365 subscription.
ADatum acquires a company named Contoso, Ltd.
In the subscription, you create a new mailbox for each user at Contoso.
You need to provide the Contoso users with a global address list (GAL) that contains only their email addresses.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Correct Answer:

1 - Create a new GAL named Contoso GAL.
2 - Create an address book policy (ABP) named Contoso-AB that uses the GAL.
3 - Assign Contoso-AB to all the mailboxes of the Contoso users.
Reference:
https://docs.microsoft.com/en-us/exchange/address-books/address-lists/create-global-address-list
https://docs.microsoft.com/en-us/exchange/address-books/address-lists/address-lists
You have a Microsoft Exchange Online tenant.
A user named User1 no longer receives email in Outlook for Windows, but can see new messages in Outlook on the web You plan to use the Microsoft Remote Connectivity Analyzer to run a connectivity test to verify whether MAPI over HTTP is failing.
Which test should you run?
Correct Answer: C Vote an answer
You have a hybrid deployment between a Microsoft Exchange Online tenant and an on-premises Exchange Server 2013 organization. The deployment contains the public folders shown in following table.

You need to configure the deployment to meet the following requirements:
Exchange Server 2013 mailboxes must be able to access PF2.
Exchange Online mailboxes must be able to access PF1.
Which PowerShell script should you run from an Exchange Server 2013 server to meet each requirement? To answer, drag the appropriate scripts to the correct requirements. Each script may be used once, more than once, or at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Correct Answer:

Reference:
https://docs.microsoft.com/en-us/exchange/hybrid-deployment/set-up-exo-hybrid-public-folders
https://docs.microsoft.com/en-us/exchange/hybrid-deployment/set-up-modern-hybrid-public-folders
You have hybrid deployment between a Microsoft Exchange Online tenant and an on-premises Exchange Server 2019 organization. The deployment uses Azure AD Connect. All incoming email is delivered to Exchange Online. You have 10 mail-enabled public folders hosted on an on-premises Mailbox server.
Customers receive an error when an email message is sent to a public folder.
You need to ensure that all the mail-enabled public folders can receive email messages from the internet. The solution must ensure that messages can be delivered only to valid recipients.
Solution: From Azure AD Connect, select Exchange Mail Public Folders.
Does this meet the goal?
Correct Answer: A Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
You manage a hybrid deployment between Microsoft Exchange Online and on-premises Exchange Server 2019. The deployment contains a primary SMTP domain named contoso.com.
Users have email addresses that use a syntax of [email protected].
A user named Ben Smith receives a new client computer. You configure the computer1 to access Ben Smith's mailbox. Ben Smith reports that he cannot connect to his mailbox from the new computer.
You verify that other users can connect successfully to their mailbox and that new users can discover their mailboxes by using Autodiscover.
You need to ensure that Ben Smith can connect to his mailbox from the new computer.
What should you do?
Correct Answer: A Vote an answer
You have a hybrid deployment between a Microsoft Exchange Online tenant and an Exchange Server 2019 organization. You need to enable journaling for outbound email. Where can you store the journal reports?
Correct Answer: C Vote an answer
Your network contains an Active Directory domain and an Azure Active Directory (Azure AD) tenant in a hybrid deployment.
You implement a Microsoft Exchange Online tenant.
You plan to deploy a new on-premises app named App1 to a Windows server. The solution must meet the following requirements:
Use an Active Directory user account named App1service as a service account.
Be able to receive email requests by using an email address of [email protected].
Use App1service to sign in to the mailbox of App1 to view the requests.
In the domain, you create App1service.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Correct Answer:

1 - Sync the App1service account to Azure AD
2 - Assign a license to App1service
3 - Assign [email protected] as an email address to App1service
You have a Microsoft 365 E3 subscription that uses Microsoft Exchange Online and contains a global administrator named Admin1.
Admin1 plans to use Attack simulation training to simulate a Malware Attachment attack. However, when a simulation is launched, only the Credential Harvest technique is available.
You need to ensure that Admin1 can run the Malware Attachment simulation.
What should you do?
Correct Answer: B Vote an answer
You have a Microsoft Exchange Server 2019 hybrid deployment.
You run the Get-HybridConfiguration cmdlet and receive the output shown in the following exhibit.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Correct Answer:

Reference:
https://docs.microsoft.com/en-us/powershell/module/exchange/federation-and-hybrid/set-hybridconfiguration?view=exchange-ps
Your network contains an Active Directory Domain Services {AD DS) domain.
You have a Microsoft 365 subscription. All mailboxes are hosted in Microsoft Exchange Online.
You have the DNS domains shown in the following table.

You need to ensure that the Autodiscover service can be used to configure Microsoft Outlook settings for devices connecting from the internet. How should you configure the DNS record for Autodiscover? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:
You need to implement a solution to support the planned changes for the branch office administrators.
What should you do?
Correct Answer: D Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
You have a Microsoft Exchange Online tenant that uses Microsoft Defender for Office 365.
Users report that a domain named contoso.com sent them phishing email messages that contain URLs.
You need to ensure that the messages are identified as phishing. The solution must ensure that contoso.com and all its subdomains and paths are matched.
How should you complete the PowerShell command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:
You have a Microsoft Exchange Online tenant.
Users report that legitimate email messages are delivered to their Junk Email folder.
You plan to use the Microsoft Remote Connectivity Analyzer to identify the cause of the issue.
Which test should you run?
Correct Answer: D Vote an answer
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