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
You have a Microsoft Exchange Online tenant that contains a resource mailbox named ConferenceRoom1.
ConferenceRoom1 is configured as shown in the following exhibit.

You need to review the customized setting for booking requests.
Which cmdlet should you run?
Correct Answer: A Vote an answer
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You have a Microsoft Exchange Online tenant that contains a retention policy named Policy1 and a user named User1.
Policy1 is assigned to all users and contains the retention tags shown in the following table.

Tag3 is applied to an email message in the inbox of User1.
You remove Tag3 from Policy1.
What will occur to the message?
Correct Answer: D Vote an answer
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Your company has a Microsoft Exchange Server 2019 server. The company has five departments. The server contains one mailbox database for each department. Each mailbox database contains all the users in its respective department. The databases contain 1,000 users.
You create an address book policy for each department.
You need to assign the address book policies to the users.
Which cmdlet should you run?
Correct Answer: D Vote an answer
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You have a Microsoft 365 subscription that has Microsoft Defender for Office 365 enabled and contains two groups named Group1 and Group 2. The members of the groups must meet the requirements shown in the following table.

You need to configure threat protection policies to meet the requirements.
Which threat protection policy should you configure for each group? To answer, drag the appropriate policies to the correct groups. Each policy may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each coned selection is worth one point.
Correct Answer:
You have a Microsoft Exchange Online tenant that contains 1,000 users.
A user recently sent an email message that was never received by a recipient on the internet. From the Exchange admin center, you successfully run a message trace but cannot see the message in the trace.
What is the most likely reason why the message fails to appear in the message trace?
Correct Answer: D Vote an answer
User3 leaves the company.
You need to ensure that Admin1 and Admin2 can access the mailbox of User3. The solution must meet the technical requirements.
What should you do?
Correct Answer: C 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 contains a custom role group named RGI.
You need to prevent users assigned to RGI from running a specific cmdlet.
Which cmdlet should you run to modify RG1?
Correct Answer: A Vote an answer
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a Microsoft Exchange Online tenant that uses an email domain named contoso.com.
You need to prevent all users from performing the following tasks:
Sending out-of-office replies to an email domain named fabrikam.com.
Sending automatic replies to an email domain named adatum.com.
The solution must ensure that all the users can send out-of-office replies and automatic replies to other email domains on the internet.
Solution: You create two new remote domains.
Does this meet the goal?
Correct Answer: A Vote an answer
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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
You need to ensure that the email messages in mailboxes and the documents in Microsoft OneDrive folders of all the users in your organization are retained for only five years.
To complete this task, sign in to the Microsoft 365 admin center.
Correct Answer:
See explanation below
Explanation:
From the Microsoft 365 compliance center, select Policies > Retention.
Select New retention policy to start the Create retention policy configuration, and name your new retention policy.
For the Choose the type of retention policy to create page, select Static. Adaptive policies don't support the locations for Exchange public folders or Skype for Business.
Depending on your selected scope:
- On the Choose locations page, toggle on or off any of the locations except the locations for Teams and Yammer. For each location, you can leave it at the default to apply the policy to the entire location.
Information specific to locations:
- Exchange email and Exchange public folders
- SharePoint sites and OneDrive accounts
- Microsoft 365 Groups
- Skype for Business
For Decide if you want to retain content, delete it, or both page, specify the configuration options for retaining and deleting content.
You can create a retention policy that just retains content without deleting, retains and then deletes after a specified period of time, or just deletes content after a specified period of time.
Complete the configuration and save your settings.
Reference:
https://docs.microsoft.com/en-us/microsoft-365/compliance/retention?view=o365-worldwide
https://docs.microsoft.com/en-us/microsoft-365/compliance/create-retention-policies?view=o365-worldwide
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
Your company has a Microsoft 365 subscription.
Several users in the finance department of the company recently accessed unsafe websites by clicking on links in email messages.
Users in the marketing department of the company report that they must be able to access all the links embedded in email messages.
You need to reduce the likelihood of the finance department users accessing unsafe websites. The solution must affect only the finance department users.
Solution: You modify the Global Settings Safe Links policy.
Does this meet the goal?
Correct Answer: B Vote an answer
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You have a Microsoft Exchange Server 2019 organization.
You plan to migrate all mailboxes to Exchange Online.
You need to provide a user with the ability to perform the mailbox migrations. The solution must use the principle of least privilege.
Which role should you assign to the user?
Correct Answer: B Vote an answer
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Your company has a Microsoft Exchange Server 2019 hybrid deployment.
The company has a finance department.
You need to move all the on-premises mailboxes of the finance department to Exchange Online. The bulk of the move operation must occur during a weekend when the company's Internet traffic is lowest. The move must then be finalized the following Monday. The solution must minimize disruption to end users.
What should you do first?
Correct Answer: A Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
You have a Microsoft Exchange Server 2019 hybrid deployment.
You plan to implement Hybrid Modern Authentication (HMA).
You retrieve the Exchange virtual directory settings, and you discover the following output.

You need to prepare the virtual directories for the planned implementation of HMA.
What should you do?
Correct Answer: D Vote an answer
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You must prevent HelpDeskUser1 from repeating the same mistake.
You need to identify which management role provided HelpDeskUser1 with the necessary permissions to make the mistake identified in the problem statement.
Which two cmdlets should you run? Each correct answer presents part of the solution.
Correct Answer: C,D Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
You have a Microsoft Exchange Server 2019 organization.
You purchase a Microsoft 365 subscription and configure Active Directory synchronization.
You use a smart host for all email communication between the organization and the Internet. The smart host performs email hygiene and alerts message headers.
You plan to run the Hybrid Configuration wizard to create an Exchange hybrid deployment and change the MX record to point to Exchange Online.
You need to decommission the smart host from the organization.
What should you do first?
Correct Answer: D Vote an answer
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