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Medium severityauthentication

Power BI Refresh Error:
AADSTS160021

What does this error mean?

Application requested a user session that doesn't exist. This issue can be resolved by creating new Azure account.

Common causes

  • 1Resource or user account not found in tenant

How to fix it

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

Frequently asked questions

What does AADSTS160021 mean?

Application requested a user session that doesn't exist. This issue can be resolved by creating new Azure account.

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.

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