What causes AADSTS90027?

Authentication configuration issue. Token validation failure

How do I fix AADSTS90027?

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

Low severityauthentication

Power BI Refresh Error:
AADSTS90027

What does this error mean?

We are unable to issue tokens from this API version on the MSA tenant. Please contact the application vendor as they need to use version 2.0 of the protocol to support this.

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 AADSTS90027 mean?

We are unable to issue tokens from this API version on the MSA tenant. Please contact the application vendor as they need to use version 2.0 of the protocol to support this.

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.