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OAuth2 SSO not working

SSO was working fine. But today, all reports using DirectQuery data sources to Azure SQL DB throw the error below when trying to configure the data source connections using OAuth2 and SSO (i.e. ticking the checkbox for "Report viewers can only access this data source with their own Power BI identities using DirectQuery.") I don't even the get popup to sign in after clicking the sign-in button.

I've tried with different datasets, new and existing datasets, against different azure sql dbs in different browsers.

I can connect fine from PBI Desktop (Version: 2.90.782.0 64-bit (February 2021)), SSMS and the Azure Portal.

If I untick the SSO box, it asks me to sign in and it works. But I need SSO.

Basic auth instead of OAuth has the same issue - it doesn't work with the SSO tickbox ticked.


Any one else getting this problem, or able to replicate it? 

Any idea on a fix, or is it an Azure fault?



The credentials you provided for the data source are invalid. Please check the credentials for all the data sources.

Status code: 500

Service version: 13.0.15430.58
Client version: 2102.3.04950-train
Cluster URI:

Status: New
Regular Visitor



Community Support



A similar issue has been reported internally, so stay tuned.

CRI 229391945


Regular Visitor

@v-chuncz-msft any update?

Frequent Visitor

Is there a way of tracking the status of the issue CRI 229391945?

Regular Visitor

I've also got 400 Bad Request responses from the API and REST Gateway UpdateDatasource calls.

Regular Visitor


any update here? 

I have the same problem when refreshing an existing dataflow with the latest version of Microsoft Edge. Even after clearing the browser cache. 
However, the Power Query editor works when using Internet Explorer.

Would be great if someone can give an update.