MC1427962: Teams Shares Network Configuration Guidance to Prevent Streaming Issues in Town Halls and Live Events
Posted inMicrosoft Teams

MC1427962: Teams Shares Network Configuration Guidance to Prevent Streaming Issues in Town Halls and Live Events

MWPRO IMPACT SCORE OPERATIONAL IMPACT 59 0 25 50 75 100 HIGH IMPACT • REVIEW RECOMMENDED Recommended Action: Review the update and plan any required actions before rollout. ▶ What is MWPro Impact Score? Watch our 60‑second explainer Primary Audience…
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MC1422057: Microsoft Teams Mobile Calendar Requires Updated EWS Allow List Configuration in Exchange Online
Posted inMicrosoft Teams

MC1422057: Microsoft Teams Mobile Calendar Requires Updated EWS Allow List Configuration in Exchange Online

Update Exchange Web Services (EWS) allow list configuration for calendar Message ID: MC1422057 [What and Why:] Microsoft is making backend changes to the calendar services that support the Microsoft Teams mobile calendar experience. To help maintain uninterrupted calendar functionality in…
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(Updated) Action required: Update Teams Rooms app to maintain PowerPoint Live functionality [MC1332812]
Posted inMicrosoft Teams

(Updated) Action required: Update Teams Rooms app to maintain PowerPoint Live functionality [MC1332812]

Message ID: MC1332812 (Updated) Updated June 26, 2026: We have updated the content. Thank you for your patience. [What and Why]We are performing planned maintenance to support upcoming updates to PowerPoint Live in Microsoft Teams, which will begin rolling out on…
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(Updated) Action required: Update Teams Rooms app to maintain PowerPoint Live functionality [MC1332812]
Posted inMicrosoft Teams

(Updated) Action required: Update Teams Rooms app to maintain PowerPoint Live functionality [MC1332812]

Message ID: MC1332812 (Updated) Updated June 23, 2026: We have updated the timeline. Thank you for your patience. [What and Why]We are performing planned maintenance to support upcoming updates to PowerPoint Live in Microsoft Teams, which will begin rolling out on…
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Required update for organizational authentication in Excel Power Query (Entra ID) [MC1403409]
Posted inMicrosoft 365 apps

Required update for organizational authentication in Excel Power Query (Entra ID) [MC1403409]

Message ID: MC1403409 If your organization is running up-to-date versions of Excel, no action is required and you can disregard this message. Otherwise, please review the guidance and take appropriate action.[What and Why:]We are updating the authentication flow used by…
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