check before: 2026-04-05
Product:
Exchange, Microsoft 365 suite, Microsoft Graph
Platform:
Developer, Online, Web, World tenant
Status:
Change type:
New feature, User impact, Admin impact
Links:
Details:
Summary:
Message Trace support on Microsoft Graph API is now in Public Preview, offering a modern REST-based experience for Exchange Online email tracing. It replaces legacy Reporting Web Service endpoints, which will retire starting April 6, 2026. Admins and developers should plan migration before then; no user impact expected.
Details:
[Introduction]
We're introducing Message Trace support on Microsoft Graph to provide a modern, REST‑based API experience for tracing email across your Exchange Online organization. This update aligns with our ongoing effort to move message trace support from the legacy Reporting Web Service to Microsoft Graph. Public Preview is now available, and General Availability roll-out begins January-end.
[When this will happen]
Public preview (worldwide): Available now.
General availability (worldwide): Rollout begins in late January 2026 and is expected to complete by early February 2026.
Change Category:
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Scope:
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Release Phase:
Created:
2026-01-24
updated:
2026-01-24
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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summary for non-techies**
Microsoft is transitioning email tracing in Exchange Online from the Reporting Web Service to the Microsoft Graph API, starting April 2026, requiring IT admins and developers to update their tools and scripts to work with the new system, which is currently in public preview.
Direct effects for Operations**
Migration to Microsoft Graph API
If the migration to the Microsoft Graph API is not prepared for, existing scripts and automation relying on the legacy Reporting Web Service may fail, leading to disruptions in email tracing capabilities.
- roles: Admins, Developers
- references: https://techcommunity.microsoft.com/blog/exchange/message-trace-support-using-graph-api-is-now-in-public-preview/4488587
Legacy Service Retirement
The retirement of the Reporting Web Service endpoints without proper migration planning could result in loss of email trace functionality, impacting the ability to troubleshoot email issues effectively.
- roles: Admins, Developers
- references: https://techcommunity.microsoft.com/blog/exchange/message-trace-support-using-graph-api-is-now-in-public-preview/4488587
Documentation Updates
Failure to update internal documentation regarding message trace automation may lead to confusion and inefficiencies among teams relying on outdated processes and tools.
- roles: Admins, Helpdesk
- references: https://techcommunity.microsoft.com/blog/exchange/message-trace-support-using-graph-api-is-now-in-public-preview/4488587
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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Last updated 2 weeks ago ago
