MC1185445 | Microsoft Purview compliance portal: Purview Information Protection | Classifier Simulation Mode (Health Monitoring)

Service

Microsoft Purview

Last Updated

2026-06-01T16:35:05.51Z

Published

2025-11-12T23:47:46Z

Message ID

MC1185445

Updated June 1, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Microsoft Purview is introducing Classifier Simulation Mode, the first phase of the broader Classifier Health Monitoring Platform. This new capability allows admins to test and validate custom classifiers on production data before publishing. Simulation Mode enables admins to optimize classifier logic before deployment, helping in reducing false positives, scanning latency, and noisy matches. Admins will access simulation controls and classifier health insights directly in the Microsoft Purview compliance portal, making it easier to monitor and improve classifier performance in one centralized loc...

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