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[serviceRestored] DZ1138533 | Microsoft Defender XDR | Admins’ updates to their Tenant Allow Block List in the Microsoft Defender portal may not have been honored
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MC1155427 | Legacy TLS cipher suites will be deprecated in M365 services on October 20, 2025
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MC1155429 | Microsoft Defender for Identity: New recommendations added to Microsoft Secure Score
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MC1155430 | Microsoft Teams: Select camera and audio devices in pre-join and during meetings on iPad
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MC1155434 | Microsoft 365 admin center: Prepurchase capacity packs for Microsoft 365 Copilot Chat
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MC1134737 | Microsoft Teams: Private channels increased limits and transition to group compliance
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MC1155311 | (Updated) Viva Engage: Agents in Viva Engage communities Public Preview
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MC1150123 | (Updated) Teams Admin Center: Control External Access by Domain for Specific Users and Groups
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[serviceDegradation] EX1102371 | Exchange Online | Users may be unable to access some Exchange Online archive mailboxes
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MC1117815 | (Updated) Microsoft Teams | Know Your Customer (KYC) onboarding required for new phone number requests