serv365.ai
03 Nov 2026
This week in Microsoft 365
38 new Message Center changes this week. The ones that matter:
New changes
Microsoft Entra ID: Microsoft-provided SMS and voice authentication to retire for self-service password reset (SSPR)
MC1536049 ·
impact 8/10 critical
·
major
· Microsoft Entra
Microsoft Teams: Retirement of Translate slides in PowerPoint Live
MC1532259 ·
impact 5/10 high
·
major
· Microsoft 365 apps
Microsoft SharePoint: SharePoint Server access through the mobile apps will be retired
MC1528013 ·
impact 5/10 high
·
major
· SharePoint Online
Microsoft 365 admin center: Retirement of selected Search Analytics capabilities
MC1528009 ·
impact 5/10 high
·
major
· Microsoft 365 suite
Microsoft Entra ID: Reminder to migrate from Microsoft-provided SMS and voice authentication
MC1528000 ·
impact 8/10 critical
·
major
· Microsoft Entra
Limits in Copilot Chat
MC1536158 · Microsoft 365 Copilot Chat
Office in Copilot brings the full power of Office into the Microsoft Copilot app
MC1530611 · Microsoft 365 Copilot Chat
Microsoft 365 Copilot: Conversation orchestration expands routing and overflow capabilities
MC1536059 · Dynamics 365 Apps
Act-by dates in the next 30 days
06 Nov
—
(Updated) Microsoft Entra ID SSPR will require registered authentication methods starting November 9, 2026
15 Nov
—
Action required: Review property changes for Exchange Online scenarios
17 Nov
—
Database Hub in Fabric: Default enablement and admin opt-out
30 Nov
—
Microsoft 365 Copilot and Power Apps: Retirement of App Builder agent and vibe.powerapps.com
Incidents resolved this week
Admins were unable to complete Microsoft OneDrive or SharePoint site migrations
OD1530155 · Microsoft OneDrive
External users’ replies to encrypted email messages may not be delivered in Exchange Online
EX1532233 · Exchange Online
Users' Microsoft 365 Apps usage reports may show outdated data in the admin center
OP1532195 · Microsoft 365 apps
Users may be unable to access Notes in Outlook on the web
EX1531593 · Exchange Online
Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays
MO1522731 · Microsoft 365 suite
Users may not be able to open email file attachments or see the "Open" option in the new Outlook desktop app
EX1528992 · Exchange Online
Reaching GA this month
Microsoft Purview: Information Protection- New Summary Metrics in Content Explorer for Unscanned Files and Classification History Details
Microsoft Teams: SharePoint app in Teams
Microsoft Teams: App centric management in Teams Admin Center to manage the Apps access for tenants, end-users, and groups in DoD
Microsoft Teams: Upgraded call history in Teams Calls app
Planner: Save AI-generated filters in Planner Agent chat
Microsoft Teams: App centric management in Teams Admin Center to manage the Apps access for tenants, end-users, and groups in GCC High
Microsoft Teams: Multi-line call history tabs in the Calls app
Planner: Capabilities in Microsoft Cowork
From Microsoft
The Platform Behind the Next AI Breakthrough
— Azure Blog
What exploited vulnerabilities have in common: A data-driven analysis of real-world attacks
— Microsoft Security Blog
Inside a malicious Claude Code-branded extension and its persistent SSH backdoor
— Microsoft Security Blog
From help desk impersonation to AD CS abuse: Investigating ESC1 and ESC8 intrusion paths
— Microsoft Security Blog
Azure Cloud HSM Hardware Audit Logging: Verifiable audit trails for security and compliance
— Azure Blog
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