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Microsoft Entra application identifier was not found

AADSTS700016

Microsoft Entra couldn't find the application identifier in the tenant, usually because the client ID is wrong, the app isn't installed in the tenant, or the request targeted the wrong tenant.

AADSTS700016authentication

Observed message

AADSTS700016

Why it happens

  • The client application identifier is incorrect.
  • The application does not exist in the tenant receiving the request.
  • The request was sent to the wrong tenant or authority endpoint.

How to fix it

  1. Verify the client ID used by the application.
  2. Check that the app registration or enterprise application exists in the target tenant.
  3. Make sure the sign-in request is sent to the correct tenant.

Official reference

Microsoft Learn: Microsoft Entra authentication and authorization error codes

Related errors

AADSTS70001Microsoft Entra application is disabledAADSTS70003Microsoft Entra application used an unsupported grant typeAADSTS70007Microsoft Entra application used an unsupported response modeAADSTS70005Microsoft Entra application used an unsupported response type

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AADSTS700016 app not found in Entra: causes and fixes | Error Atlas