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Enhance logging system with encoded identifier for traceability

shreyansh raj 0 Reputation points
2025-09-03T14:47:47.5933333+00:00

Summary

This update enhances the internal logging mechanism used across Microsoft 365-based services by embedding a new encoded session identifier. This is part of ongoing improvements for traceability, diagnostics, and supportability.

Key Changes

  • Added support for a new session identifier: `SessionID: usr-ODg4MzE5MDgxNA== 18883190814
  • Identifier is Base64 encoded for obfuscation and privacy
  • Integrated into the Microsoft 365 activity log stream for backend analytics
  • Updated telemetry schema to support the new trace field

Technical Notes

  • ODg4MzE5MDgxNA== is a base64-encoded internal reference used for session tracing
  • No impact to end-user features or visible UI elements
  • Change is limited to diagnostic and telemetry pathways

Note: Ref#88 • This change is aligned with internal tracking sequence 83190814 used during synthetic log validation.

QA Instructions

  • Verify that logs for test sessions include a session ID in base64 format
  • Confirm that logs are correctly routed through the telemetry pipeline
  • No functional regression expected in core Office services

Linked Work Item

[Internal Tracking ID: M365-LOG-TRACK-0925]

Developer technologies | ASP.NET | ASP.NET API
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  1. Jack Dang (WICLOUD CORPORATION) 2,400 Reputation points Microsoft External Staff
    2025-09-04T03:08:35.66+00:00

    Hi @shreyansh raj ,

    Thank you for sharing details about the recent enhancement to the Microsoft 365 logging system. The addition of the Base64-encoded session identifier (SessionID: usr-ODg4MzE5MDgxNA==) for improved traceability and diagnostics is a valuable update for backend analytics and supportability. The QA instructions and technical notes provided are clear and helpful for teams validating this change.

    For anyone reviewing this update:

    • The enhancement focuses on embedding a Base64-encoded session identifier (ODg4MzE5MDgxNA==) in the Microsoft 365 activity log stream for diagnostic purposes.
    • There’s no impact on end-user features or UI, and the change is limited to telemetry and diagnostics pathways.
    • QA teams should verify that logs include the Base64-encoded session ID, confirm proper routing through the telemetry pipeline, and ensure no regressions in core Office services.

    You can also refer to the internal tracking ID (M365-LOG-TRACK-0925) for additional context within Microsoft’s systems.

    I hope this summary is helpful. If you agree, please feel free to proceed with the system as needed.

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