Microsoft Exchange Online: New Feature / Retirement – New Message Trace will be GA; legacy Message Trace will retire – Action required

Hi All,

Greetings.

I am sharing updates on a new feature and the retirement of an old feature in Microsoft Exchange Online.

Retirement:

• Legacy Message Trace is retired
• Legacy Message Trace PowerShell cmdlets are retired
  • Get-MessageTrace,
  • Get-MessageTraceDetail
• Reporting Web Service support ends March 18, 2026.

New Feature:

• The new Message Trace in the Microsoft Exchange admin center (EAC) in Microsoft Exchange Online is now generally available.
  • We have detailed article – How to navigate Microsoft Exchange admin center (EAC)

• New PowerShell CMDLETs
  • Get-MessageTraceV2, 
  • Get-MessageTraceDetailV2

• The tentative timeline for Public Preview of the new Message Trace support on Graph API is now December 2025.
• This new experience, offers improved performance, modern design, and enhanced feature parity.
• Admins can access it via Exchange admin center > Mail flow > Message Trace.

Microsoft 365 Roadmap ID 495489 – Exchange: New Message Trace in Exchange Online

Action needs to be taken:

• Start using the new Message Trace experience in the Exchange admin center.
• Update any automation or scripts using legacy cmdlets to use the new versions.
• If you are using the Reporting Web Service for Message Trace data, migrate to the new PowerShell cmdlets. Finish this migration by March 18, 2026.

REFERENCES

• Announcing General Availability (GA) of the New Message Trace in Exchange Online
• Microsoft Exchange Online admin center – https://admin.exchange.microsoft.com/#/homepage
• Message trace in Exchange admin center – https://admin.exchange.microsoft.com/#/messagetrace
• How to navigate Microsoft Exchange admin center (EAC)
• https://knowledge-junction.in/page/2/?s=exchange

Thanks for reading !

LIFE IS BEAUTIFUL 🙂 HAVE a GREAT TIME AHEAD!