Microsoft 365 Alert : Service Degradation – Exchange Online – Admins don’t receive Data Loss Prevention (DLP) alerts in the Microsoft Purview compliance portal and activity explorer – ONGOING

03/08/2022 08:50:00 AM (BST)

Microsoft Reference : EX408604

NHSmail Reference : INC30884668

Issue Status : ONGOING

Issue Description : Admins aren’t receiving DLP alerts in the Microsoft Purview compliance portal and activity explorer.

More info : Only alerts from July 26, 2022 to August 2, 2022 are currently unavailable. Alerts generated after August 2, 2022 are propagating as expected in the compliance portal and activity explorer following Microsoft’s fix for the underlying issue.

Scope of impact : Any admin attempting to receive alerts from the compliance portal and activity explorer may be impacted.

Current Update : 16/08/2022 11:15:00 AM – Microsoft has confirmed that the backfill will be expedited and estimate that this process will be completed by Thursday, August 25, 2022, after which they will test the alerts to ensure they have been restored and impact is remediated. In parallel, they are working to confirm if the backfill can be further expedited for completion prior to August 25, 2022.

Root cause : A recent update to the codebase that facilitates DLP alerts introduced a regression that resulted in impact.

Next update by : Tuesday, August 16, 2022 at 09:00 PM

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