Credentials
AccessUnauthorized
Power BI dataset refresh error: what it means and how to fix it.
What this means
The same OAuth2 long-refresh token expiry, on cloud data sources.
How to fix it
- Finish the refresh within the ~1 hour token window.
- Re-authenticate the data source.
- Use incremental refresh to keep runs short.
Frequently asked questions
- What does the "AccessUnauthorized" error mean?
- The same OAuth2 long-refresh token expiry, on cloud data sources.
- How do I fix it?
- Finish the refresh within the ~1 hour token window. Re-authenticate the data source. Use incremental refresh to keep runs short.
- Where does this Power BI refresh error appear?
- It appears in a Power BI semantic model's refresh history when a scheduled or on-demand refresh fails.
Related credentials errors
Catch this automatically
RefreshRadar monitors every Power BI dataset refresh and emails you when one fails, with the likely cause and the fix, so you are not hearing about a broken refresh from your stakeholders first.