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Microsoft Defender for Office 365 Blog
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You may be right after all! Disputing Submission Responses in Microsoft Defender for Office 365

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RenWoods
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Nov 06, 2025

Microsoft MVP (Most Valuable Professional) Mona Ghadiri's Perspective on Enhancing Security Workflow

Introduction As a Microsoft MVP (Most Valuable Professional) specializing in SIEM, XDR, and Cloud Security, I have witnessed the rapid evolution of cybersecurity technologies, especially those de...
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MichaelG666's avatar
MichaelG666
Brass Contributor
Jul 27, 2026

RenWoods​ Manfred Fischer​ katieryckman​ It looks like the Dispute Submission feature doesn't work - whenever I dispute something it stays in Pending for 24 hours and then says:

Unknown - We checked but can't make a decision right now. We were unable to come to a decision regarding the item. This can occur for a variety of reasons, such as different interpretations by different analysts or the item being inaccessible. Please resubmit the item for analysis.

Do you have an ETA on when it will be fixed?