@bvilten
The error message you're encountering, "AADSTS135011", typically indicates an issue with OAuth token refresh during the authentication process. This error can occur for various reasons, but it's often related to authentication tokens expiring or becoming invalid.
Here are some potential reasons and troubleshooting steps:
1. **Expired Access Token**: The access token used for authentication might have expired. Try signing out of Power BI Service and signing back in to refresh the token.
2. **Invalid Credentials**: Double-check the credentials used for authentication, such as usernames, passwords, or client secrets. Ensure that the credentials are correct and have the necessary permissions to access the data source.
3. **Permission Changes**: If there have been any changes to permissions or access policies for the data source, make sure that the appropriate permissions are still granted for the user or service account used for authentication.
4. **Refresh Token Policy**: Some organizations have policies or configurations that restrict the use of refresh tokens across devices or IP addresses. Check if there are any such policies in place that might be affecting token refresh.
5. **Network Issues**: Network connectivity issues or firewall restrictions can sometimes interfere with the OAuth token refresh process. Make sure that the device running Power BI Service has proper network connectivity and can access the necessary endpoints.
6. **Service Outage**: Occasionally, there may be service outages or disruptions on the Microsoft Azure or Power BI side that could affect token refresh operations. Check the Microsoft Azure Service Health Dashboard for any reported incidents or outages.
If you've verified these aspects and are still encountering the issue, it may be helpful to review the detailed error logs in Power BI Service or consult with your organization's IT support team for further assistance. They may be able to provide insights into any specific configurations or policies that could be impacting OAuth token refresh.
Did I answer your question? Mark my post as a solution! Appreciate your Kudos !!
