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Microsoft Entra ID

Identity, app registrations, conditional access and the platform formerly called Azure AD.

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Azure ACS Is Retired: Fixing SharePoint Apps That Stopped Working

Azure Access Control Services stopped working for SharePoint Online on 2 April 2026. Here is how to identify the applications it broke and move them to Microsoft Entra ID — using the migration to fix the over-broad permissions ACS encouraged.

Rajiv Kumar·Feb 27, 2026·7 min read