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[serviceDegradation] EX1256020 | Exchange Online | Some users may be intermittently unable to access their Exchange Online mailboxes in some connection methods
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[serviceDegradation] MO1253767 | Microsoft 365 suite | Some admins’ Microsoft 365 admin center usage report data may be delayed
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MC1258000 | Microsoft Purview: Data Security Investigations – analyze files tied to endpoint DLP alerts
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[serviceDegradation] MO1253767 | Microsoft 365 suite | Some admins’ Microsoft 365 admin center usage report data may be delayed
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MC1257308 | Microsoft Teams: Building‑level insights on the Teams Rooms Pro Management portal recommended actions page
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MC1254552 | (Updated) Copilot Notebooks: New features coming to Frontier Public
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MC1226220 | (Updated) App names hidden in app bar for a cleaner, more focused experience
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MC1254512 | (Updated) Second deployment phase for Kerberos RC4 hardening begins with the April 2026 Windows security update
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MC1187682 | (Updated) Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding
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[serviceDegradation] CW1245654 | Microsoft 365 Copilot Chat | Admins may not be able to search for Microsoft 365 Copilot Chat messages using Microsoft Purview eDiscovery searches