(Update)Action Required: Trust DigiCert Global Root G2 Certificate Authority for using Entra services by January 7, 2026 [MC1193408]

(Update)Action Required: Trust DigiCert Global Root G2 Certificate Authority for using Entra services by January 7, 2026 [MC1193408]

Message ID: MC1193408 (Updated) Updated December 9, 2025: We have updated the content. Thank you for your patience. Action Required: Trust the new DigiCert Certificate Authorities (CAs) for Microsoft Entra Starting January 7, 2026, Microsoft Entra will migrate its DigiCert certificates…
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 December 9, 2025: We are updating this post as a reminder. 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…