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Error AADSTS70001 - Application with Identifier was not found in the directory

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This article describes a problem in which you receive the error message "Error AADSTS70001 - Application with Identifier was not found in the directory." when trying to sign into a SAML-based single sign-on (SSO) configured app that has been integrated with Microsoft Entra ID.

Symptoms

You receive error AADSTS70001 when trying to sign into an application that has been set up to use Microsoft Entra ID for identity management using SAML-based SSO.

Cause

The Issuer attribute sent from the application to Microsoft Entra ID in the SAML request doesn’t match the Identifier value that's configured for the application in Microsoft Entra ID.

Resolution

Ensure that the Issuer attribute in the SAML request matches the Identifier value configured in Microsoft Entra ID.

On the SAML-based SSO configuration page, in the Basic SAML configuration section, verify that the value in the Identifier textbox matches the value for the identifier value displayed in the error. If there's a trailing slash at the end of the url, it should be also included.

Using the Test SSO Function in the Microsoft Entra admin center

The Microsoft Entra admin center can help you troubleshoot SAML configuration errors.

Screenshot of Testing SSO Feature in Microsoft Entra admin center.

  1. In the Microsoft Entra admin center, go to Enterprise Applications and click on the application needing troubleshooting.
  2. Navigate to the Single sign-on page using the left-hand navigation menu
  3. Click on Test this application to use the Test SSO functionality.
  4. Copy and paste the error received into the Resolving Errors section and click Get resolution guidance
  5. View the difference between the Issuer and Identifier found.
  6. Correct either the Issuer or Identifier.

More Information

For a full list of Active Directory Authentication and authorization error codes, see Microsoft Entra authentication and authorization error codes

Contact us for help

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