Trust DigiCert Global Root G2 certificate authority to avoid Exchange Online email disruption [MC1224565]
Posted inExchange Online

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

Message ID: MC1224565 [Introduction]Action might be required to avoid service disruption. To maintain secure and uninterrupted mail flow with Exchange Online, organizations must ensure their servers and clients trust the DigiCert Global Root G2 Certificate Authority (CA) and its subordinate…
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(Updated) Changing output format for some database properties in Exchange Online cmdlets [MC1108848]
Posted inExchange Online

(Updated) Changing output format for some database properties in Exchange Online cmdlets [MC1108848]

Message ID: MC1108848 (Updated) Updated January 28, 2026: We have updated timelines for enforcement. The scope of the change remains unchanged. Thank you for your patience.We're updating the output format of certain properties returned by Exchange Online PowerShell cmdlets to…
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Message Trace support on Graph API is now in Public Preview [MC1221939]
Posted inExchange Online Microsoft 365 suite

Message Trace support on Graph API is now in Public Preview [MC1221939]

Message ID: MC1221939 [Introduction]We’re introducing Message Trace support on Microsoft Graph to provide a modern, REST‑based API experience for tracing email across your Exchange Online organization. This update aligns with our ongoing effort to move message trace support from the legacy Reporting…
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