I can't invite external users anymore. Can you tell me how to fix this?

金光一 0 Reputation points
2026-11-09T04:10:25.1533333+00:00

I sent bulk invitation emails via Azure Entra ID to our department members to log in to the chat app we built on Azure, but for some users in the middle of the list, it got blocked with the message 'Invitations are blocked for this directory due to suspicious activity. Please contact Microsoft support for help.' I want this to be unblocked.

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
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