Intune

Intune Autopilot enrollment: invalid_client error failed%20to%20authenticate%20user

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Intune Autopilot enrollment fails with an “invalid_client” error after the user enters their credentials with the following error message:

Error invalid_client failed%20to%20authenticate%20user

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Looks like we can’t connect to the URL for your organization’s MDM terms of use. Try again or contact your system administrator with problem information from this page.
Additional problem information:
Error: invalid_client
Error subcode:
Description: failed%20to%20authenticate%20user

Intune Autopilot enrollment: invalid_client error failed%20to%20authenticate%20user

Cause of error invalid_client failed%20to%20authenticate%20user

The user cannot access the terms of use configured in Intune or does not have an Enterprise Mobility + Security E3 license.

Solution

Verify from Microsoft Endpoint Manager Admin Center that the user who is registering for Intune is licensed:

  1. Go to the Microsoft Endpoint Manager Admin Center > Users | All users> Search for user > Licenses > Assignments.
  2. Verify that the user has an Enterprise Mobility + Security E3 or higher license and check the option of Microsoft Intune. In the image below, the license is granted with an Azure Active Directory group named “INTUNE_ENROLL”:
Intune Autopilot - Enterprise Mobility + Security E3 - Intune License

Next, check that the user has permissions to read the MDM terms of use of our organization in Intune:

  1. Go to the Microsoft Endpoint Manager Admin Center > Enroll devices | Windows enrollment > Configure.
  2. Verify that the user is in both user scopes (MDM and MAM). In the image below, the user will be in the MDM scope with option “All” and in the scope of MAM with the group “INTUNE_ENROLL”:
Intune - Enroll devices - Window enrollment - Configure

Result

After applying the Intune license and adding the user to the terms of use scope, Intune Autopilot now works and starts configuring the device:

Intune Autopilot enrollment: solucionado invalid_client error failed%20to%20authenticate%20user

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Nando Corzo

Passionate about IT and Microsoft technologies with more than 5 years of experience in complex environments (Banking, Congresses and Public Services). Exploring and learning about Modern Workplace every day. I write about SCCM, Windows, Microsoft Intune, Hyper-V, etc...

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