check before: 2024-11-01
Product:
Defender, Defender for Office 365, Defender XDR
Platform:
Online, US Instances, World tenant
Status:
Change type:
Feature update, User impact, Admin impact
Links:
Details:
Summary:
Microsoft Defender for Office 365 is migrating its data platform to enhance performance and scalability, aiming for completion by late June 2025. Benefits include improved data consistency, parity between tools, enhanced performance, and faster feature development. Users may experience slight delays and intermittent failures during the transition. No admin action is required.
Details:
As part of our ongoing efforts to enhance performance and scalability, Microsoft Defender for Office 365 investigation and hunting experiences are undergoing a data platform migration to establish a more robust, efficient, and scalable data storage system. This migration aims to improve data consistency and reliability, particularly in investigation and threat-hunting experiences.
[When this will happen:]
General Availability (Worldwide, GCC, GCC High, DoD): We began rolling out this migration early November 2024 and expect to complete by late June 2025.
Change Category:
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Scope:
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Release Phase:
Created:
2025-03-28
updated:
2025-03-28
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 Defender for Office 365 is transitioning to a new data platform to enhance performance, scalability, and feature development, ensuring tools like Threat Explorer and Advanced Hunting work from a unified data set, with minor temporary disruptions expected during the transition.
Direct effects for Operations**
Data Availability Delays
Users may experience slight delays in data availability, particularly in accessing email metadata and post-delivery actions like quarantine release and manual remediation.
- roles: Security Analysts, End Users
- references: https://techcommunity.microsoft.com/t5/security-compliance-identity/microsoft-defender-for-office-365-platform-migration-for/ba-p/3851230
Intermittent Failures
Users may encounter intermittent failures when loading the Email Summary Panel immediately after an email is delivered, which will resolve automatically once data is processed.
- roles: Security Analysts, End Users
- references: https://techcommunity.microsoft.com/t5/security-compliance-identity/microsoft-defender-for-office-365-platform-migration-for/ba-p/3851230
User Experience Disruption
The migration may lead to temporary disruptions in user workflows due to latency or data unavailability, affecting the overall user experience.
- roles: Security Analysts, End Users
- references: https://techcommunity.microsoft.com/t5/security-compliance-identity/microsoft-defender-for-office-365-platform-migration-for/ba-p/3851230
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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