Microsoft's legacy Remote PowerShell protocol in the Security and Compliance PowerShell module will begin to be deprecated soon, starting from July 15, 2023 as a part of modernisation efforts.
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Microsoft has decided to effectively delay the deprecation of Remote PowerShell in Exchange Online in order to allow customers more time to migrate to the more secure REST-based v3 PowerShell module.
Microsoft has revealed new capabilities coming to Reply-all Storm Protection in Exchange Online. Exchange admins will be able to add reports, a GUI for settings, and an alert flow to their arsenal.