What causes AADSTS50048?

Authentication configuration issue. Token validation failure

How do I fix AADSTS50048?

Step 1: Contact your Azure AD administrator to review and fix the configuration. Step 2: Search for error code in Microsoft documentation for specific guidance

Low severityauthentication

Power BI Refresh Error:
AADSTS50048

What does this error mean?

Subject mismatches Issuer claim in the client assertion. Contact the tenant admin.

Common causes

1Authentication configuration issue
2Token validation failure

How to fix it

1Step 1: Contact your Azure AD administrator to review and fix the configuration
2Step 2: Search for error code in Microsoft documentation for specific guidance

Frequently asked questions

What does AADSTS50048 mean?

Subject mismatches Issuer claim in the client assertion. Contact the tenant admin.

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.