Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols [MC1184649]

Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols [MC1184649]

Message ID: MC1184649 (Updated) Updated February 5, 2026: We have updated the timeline. 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…
Engage is retiring live events powered by Teams Live Events effective April 15th, 2026 [MC1227085]

Engage is retiring live events powered by Teams Live Events effective April 15th, 2026 [MC1227085]

Message ID: MC1227085 [Introduction]Engage will retire live events powered by Teams Live Events effective April 15, 2026. Existing live events already scheduled will continue to be supported through February 28, 2027. We encourage customers to transition to events in Engage powered…
(Updated) Trust DigiCert Global Root G2 certificate authority to avoid Exchange Online email disruption [MC1224565]

(Updated) Trust DigiCert Global Root G2 certificate authority to avoid Exchange Online email disruption [MC1224565]

Message ID: MC1224565 (Updated) Updated February 4, 2026: We have updated the timeline. We’ve been notified that some email providers may distrust the DigiCert G1 root on April 15, which could result in broad ecosystem‑wide email impact. To ensure Exchange…
(Updated) Microsoft Teams: Chat with anyone with an email address [MC1182004]

(Updated) Microsoft Teams: Chat with anyone with an email address [MC1182004]

Message ID: MC1182004 (Updated) Updated February 4, 2026: We have updated the timeline. Thank you for your patience.[Introduction] Teams users in tenants with open collaboration policies have long been able to start a chat with anyone who has an email address. However,…