Microsoft 365 Alert – Service Degradation – Microsoft Purview – Users are unable to use Event-Based Retention in Microsoft Purview Data Lifecycle Management and Records Management – RESOLVED

02/06/2025 08:35:00 AM

NHSmail Reference: INC46543613

Microsoft Reference: MP1085955

Issue Status: RESOLVED

Issue Description: Users are unable to use Event-Based Retention in Microsoft Purview Data Lifecycle Management and Records Management.

More info: Users may experience errors in policy distribution status, or events failing to trigger the necessary retention label actions such as deletion or re-labelling.

Final Update: 21/07/2025 08:25:00 AM Microsoft can confirm that the code change has been successfully enabled for the affected environment and through internal testing, they’ve validated that the feature is working as expected.

Scope of impact: Any user attempting to use event-based retention in Data Lifecycle Management and Records Management may be impacted.

Root cause: A recent change intended to improve performance to a section of infrastructure responsible for Microsoft Purview functionality has degraded this infrastructure and is resulting in impact.

Next steps: Microsoft are investigating how the recent change degraded the infrastructure to help prevent similar issues in the future.

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