Exchange Online Drops AD RMS

Exchange Online ends support for Active Directory Rights Management Services (AD RMS) on Feb. 28, 2021. AD RMS is a Windows Server feature that encrypts e-mails, files, and other types of business content to prevent access by unauthorized users. The change forces migrations by Exchange Online customers who kept AD RMS for on-premises encryption, a configuration that Microsoft says is not common. Customers who are affected must migrate to Azure Information Protection (AIP), the Microsoft-hosted replacement for AD RMS.

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