(Updated) Exchange Online ActiveSync device support update [MC1197103]

(Updated) Exchange Online ActiveSync device support update [MC1197103]

Message ID: MC1197103 (Updated) Updated December 16, 2025: We have updated the PowerShell example. Thank you for your patience. Exchange Online ActiveSync Device Support Update We’re making a change to improve security and reliability in Exchange Online. Starting March 1, 2026,…
(Updated) Microsoft Teams Integration with Microsoft Defender for Office Tenant Allow/Block List for blocking domains [MC1133508]

(Updated) Microsoft Teams Integration with Microsoft Defender for Office Tenant Allow/Block List for blocking domains [MC1133508]

Message ID: MC1133508 (Updated) Updated December 16, 2025: We have updated the timeline. Thank you for your patience.Introduction We're introducing a new integration between Microsoft Teams and Microsoft Defender for Office 365 that enables security admins to manage blocked external…
Microsoft Purview compliance portal: Purview Information Protection | Classifier Simulation Mode (Health Monitoring) [MC1185445]

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

Message ID: MC1185445 (Updated) Updated December 16, 2025: We have made a minor correction. 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…