What causes AADSTS51006?

Authentication configuration issue. Token validation failure

How do I fix AADSTS51006?

Step 1: Request a new authentication token and retry the operation. Step 2: Search for error code in Microsoft documentation for specific guidance

Medium severityauthentication

Power BI Refresh Error:
AADSTS51006

What does this error mean?

Integrated Windows authentication is needed. User logged in using a session token that is missing the integrated Windows authentication claim. Request the user to log in again.

Common causes

1Authentication configuration issue
2Token validation failure

How to fix it

1Step 1: Request a new authentication token and retry the operation
2Step 2: Search for error code in Microsoft documentation for specific guidance

Frequently asked questions

What does AADSTS51006 mean?

Integrated Windows authentication is needed. User logged in using a session token that is missing the integrated Windows authentication claim. Request the user to log in again.

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.