M365 Message Center

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19.05.2026

Services

Microsoft Teams

Updated May 19, 2026: We have updated the timeline. Thank you for your patience.[Introduction] To support frontline workers using personal devices, Microsoft is introducing a dynamic onboarding wizard for Microsoft Teams. This experience is designed to simplify setup on Android and iOS devices, especially in environments with security policies like multi-factor authentication (MFA) and mobile application management. The wizard adapts automatically to your organization’s policies, helping drive secure and efficient Bring Your Own Device (BYOD) adoption.This message is associated with Roadmap ID 523213. [When this will happen:] Public Preview: Rollout begins in late November 2025 and is and expected to complete by mid-January 2026General Availability: Rollout begins in mid-August (previously mid-June) and is and expected to complete by mid-September (previously early July). [How this affec

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18.05.2026

Services

Microsoft Teams

Updated May 18, 2026: We have updated the timeline. Thank you for your patience. [Introduction]To improve collaboration and streamline meeting workflows, Microsoft Teams is introducing the ability to consult and merge Public Switched Telephone Network (PSTN) callers into active meetings—even when those callers are behind auto-attendants or Interactive Voice Response (IVR) systems that require Dual-Tone Multi-Frequency (DTMF) navigation. This enhancement allows users to reach subject matter experts via dial-in and seamlessly bring them into the broader conversation.This message is associated with Microsoft 365 Roadmap ID 518218.[When this will happen:] Targeted Release: Rolling out early April 2026 (previously early March), expected to complete by mid-April 2026 (previously mid-March). General Availability: Rolling out mid-April 2026 (previously late March), expected to complete by mid-Ju

Geändert

18.05.2026

Services

Microsoft Teams

Updated May 18, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We’re introducing the Restart Event feature in Microsoft Teams Events to improve resiliency for live events. This feature lets organizers restart a live event that encounters an unrecoverable failure, minimizing disruption and ensuring continuity for Town Halls and other large meetings. This message is associated with Microsoft 365 Roadmap ID 523214. [When this will happen]General Availability (Worldwide): We will begin rolling out in early January 2026 and expect to complete by mid-April 2026 (previously end of March).General Availability (GCC and GCCH): We will begin rolling out in late January 2026 and expect to complete by mid-April 2026 (previously end of March).General Availability (DoD): We will begin rolling out in early February 2026 and expect to complete by early June 2026 (previousl

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15.05.2026

Services

Microsoft Viva

Updated May 15, 2026: We have updated the timeline. Thank you for your patience. [Introduction:] We’re introducing a simpler way to view conversations in Viva Engage communities, organized by recent posts rather than recent activity. This new view is designed to make it easier for users to follow discussions and will be available as an option, alongside the current system, for those who prefer sorting by recent activity and filtering to new conversations only. This message is associated with Microsoft 365 Roadmap ID 513275. [When this will happen:] General Availability (Worldwide): We will begin rolling out in July 2026 (previously May). [How this will affect your organization:]This change should align better with how people expect to browse and engage with content in their communities, while still preserving the triage flow for those who prefer it. Who is affected: All Viva Engage users

Geändert

15.05.2026

Services

Microsoft Purview

Updated May 15, 2026: We have updated the timeline. Thank you for your patience.[Introduction] Microsoft Purview Communication Compliance is undergoing an infrastructure upgrade from January 5 to June 15, 2026, causing temporary processing delays, intermittent errors, and possible outdated report data. Although this migration is planned outside of normal business hours, some production clusters may experience higher loads, potentially causing brief delays in downstream processing. Brief delays in processing may occur during this migration, but no data will be lost.No action is required, but admins should inform teams about these short-term impacts. [When this will happen:] This migration will begin January 5, 2026, and end June 15, 2026 (previously May 15). [How this affects your organization:] Who is affected:Admins managing Microsoft Purview Communication Compliance policies and review

Geändert

13.05.2026

Handlung bis

30.01.2026

Services

SharePoint Online · Microsoft OneDrive

Updated May 13, 2026: We have initiated the deprecation rollout and expect to reach 100% production coverage in the next few weeks. We strongly recommend that customers transition to modern authentication at the earliest opportunity. Thank you for your patience. [Introduction:] As part of the Microsoft Secure Future Initiative (SFI) and in alignment with the “Secure by Default” principle, we’re retiring the legacy IDCRL (Identity Client Run Time Library) authentication protocol in SharePoint Online and OneDrive for Business. This change helps strengthen your organization’s security posture by enforcing modern authentication standards—OpenID Connect and OAuth—which reduce exposure to outdated and vulnerable authentication methods. [When this will happen:] Starting February 16, 2026: Legacy client authentication will be blocked by default. Organizations may temporarily re-enable it using P