Microsoft Alert: Service degradation – Exchange Online – Admins can’t view email previews from the Email entity page in the Microsoft 365 Defender portal – ONGOING

15-07-2021 12:20:26 PM (BST)

Issue Reported: 13/07/2021 20:03:00 PM

Microsoft Reference : EX268922

Issue Status: ONGOING

Issue Description: Admins are seeing a blank pane when opening email previews from the Email entity page within Microsoft 365 Defender.

Scope of impact: All admins trying to access email previews within the Microsoft 365 Defender portal are impacted.

Current Update – 15/07/2021 12:21 PM: Microsoft investigation found that a recent service update introduced a code regression for email previews in the Microsoft 365 Defender portal. 

Microsoft developed a fix for the regression and are undergoing validation procedures to ensure it successfully resolves impact. We expect it to start deployment by Thursday, July 15, 2021, and to be fully saturated by Sunday, July 18, 2021.

 

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