MC959720 – Microsoft Exchange Online: New “Message trace” functionality (public preview)

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check before: 2024-12-01

Product:

Exchange, Microsoft 365 admin center, Microsoft 365 suite

Platform:

Online, World tenant

Status:

Change type:

Feature update, Admin impact

Links:

Details:

Summary:
The Public Preview of the new "Message trace" feature in Microsoft Exchange Online will begin rolling out in mid-December 2024, with extended query range, subject and delivery status filters, customizable columns, and cmdlet changes. Admins can toggle the feature off if needed and should update to the latest PowerShell module version.

Details:
We are excited to announce the Public Preview of the new version of Message trace in the Microsoft Exchange admin center (EAC) in Microsoft Exchange Online. Admins will soon be able to access the new Message trace and its capabilities by default in the Exchange admin center > Mail flow > Message trace. Also, admins will be able to use the new Message trace functionality using Microsoft PowerShell cmdlet Get-MessageTraceV2 (similar to Get-MessageTrace (ExchangePowerShell) | Microsoft Learn).
The new Message trace will be toggled On by default after being deployed to your tenant. If you wish to disable the preview, you can change the toggle to Off in the Message trace flyout. To use the new Message trace functionality through the PowerShell cmdlet Get-MessageTraceV2, please ensure you are using version 3.7.0 or later of the Exchange Online PowerShell V3 module.
[When this will happen:]
Public Preview: We will begin rolling out mid-December 2024 and expect to complete by late December 2024.

Change Category:
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Scope:
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Release Phase:

Created:
2024-12-18

updated:
2024-12-18

Task Type

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summary for non-techies**

Microsoft Exchange Online is introducing a new "Message trace" feature in December 2024, allowing administrators to track email journeys with an extended query range of up to 90 days, customizable search filters, and improved viewing options, while also providing a new PowerShell cmdlet, Get-MessageTraceV2, for enhanced query capabilities.

Direct effects for Operations**

Message Trace Functionality Change
The new Message trace feature may lead to confusion among admins due to changes in query parameters and result handling, potentially resulting in misinterpretation of email delivery statuses.
   - roles: Exchange Admin, IT Support Specialist
   - references: https://learn.microsoft.com/powershell/module/exchange/get-messagetrace?view=exchange-ps, https://techcommunity.microsoft.com/blog/exchange/announcing-public-preview-of-the-new-message-trace-in-exchange-online/4356561

Increased Query Complexity
The introduction of new filters and parameters may overwhelm users who are not familiar with the updated cmdlets, leading to inefficient use of the Message trace tool and potential delays in troubleshooting email issues.
   - roles: Exchange Admin, Help Desk Technician
   - references: https://learn.microsoft.com/powershell/module/exchange/get-messagetrace?view=exchange-ps, https://techcommunity.microsoft.com/blog/exchange/announcing-public-preview-of-the-new-message-trace-in-exchange-online/4356561

Potential for Data Misinterpretation
With the new feature retaining capitalization in recipient addresses and changing how statuses are displayed, there is a risk of misinterpreting the results, which could lead to incorrect conclusions about email delivery.
   - roles: Exchange Admin, Compliance Officer
   - references: https://learn.microsoft.com/powershell/module/exchange/get-messagetrace?view=exchange-ps, https://techcommunity.microsoft.com/blog/exchange/announcing-public-preview-of-the-new-message-trace-in-exchange-online/4356561

Configutation Options**

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Opportunities**

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Potentional Risks**

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IT Security**

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explanation for non-techies**

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** AI generated content. This information must be reviewed before use.

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