What causes AADSTS40009?

Authentication configuration issue. Token validation failure

How do I fix AADSTS40009?

Step 1: Check the Azure AD error lookup at login.microsoftonline.com/error for this code. Step 2: Review your application's authentication configuration in Azure portal. Step 3: Contact your Azure AD administrator if the issue persists

Low severityauthentication

Power BI Refresh Error:
AADSTS40009

What does this error mean?

There's an issue with your federated Identity Provider. Contact.

Common causes

1Authentication configuration issue
2Token validation failure

How to fix it

1Step 1: Check the Azure AD error lookup at login.microsoftonline.com/error for this code
2Step 2: Review your application's authentication configuration in Azure portal
3Step 3: Contact your Azure AD administrator if the issue persists

Frequently asked questions

What does AADSTS40009 mean?

There's an issue with your federated Identity Provider. Contact

How do I fix this error?

Check your application registration, token configuration, and user permissions in the Azure portal. Review Conditional Access policies if the error is policy-related.