Azure Entra Id unable to invite external user

Bruce Meier 0 Reputation points
2026-09-03T14:21:13.85+00:00

I am a Global Administrator in our Microsoft Entra tenant.

All guest invitations are failing with the message: “User invitation failed. Insufficient privileges to complete the operation.”

This occurs for all users and all invite methods.

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
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