Connections to BigQuery stopped working with VPC Service Controls error

andreiak 

It seems that the error you're encountering, "DataSource.Error: ERROR [HY000] [Microsoft][BigQuery] (100) HTTP Error 403: policyViolation (VPC Service Controls: Request is prohibited by organization's policy)", is related to VPC Service Controls. VPC Service Controls provide an additional layer of security by defining a security perimeter around Google Cloud Platform resources.

Here are some steps you can take to troubleshoot and potentially resolve the issue:

1. **Check VPC Service Controls Configuration**: Verify the VPC Service Controls configuration in your Google Cloud Platform (GCP) organization. Ensure that there are no recent changes or updates that might be affecting access to BigQuery resources from outside the organization's perimeter.

2. **Review Organization Policies**: Review the organization policies configured in your GCP organization. There may be policies related to VPC Service Controls or access to BigQuery resources that have been recently updated or enforced.

3. **Check Network Configuration**: Ensure that the network configuration and firewall rules in your GCP project allow access to BigQuery from external services, such as Power BI Service. Review any recent changes to network settings that might be blocking access.

4. **Verify Credentials and Permissions**: Double-check the credentials and permissions configured in Power BI Service for connecting to BigQuery. Ensure that the credentials have the necessary permissions to access the BigQuery datasets and tables.

5. **Contact Google Cloud Support**: If you're unable to resolve the issue with the above steps, consider reaching out to Google Cloud Support for assistance. They can help troubleshoot any issues related to VPC Service Controls and access to BigQuery resources.

6. **Monitor Service Health**: Keep an eye on the service health and status notifications for Google Cloud Platform. There may be reported incidents or outages that could be impacting access to BigQuery.

By following these steps and investigating the potential causes of the error, you should be able to identify and address the issue preventing refreshes of dataflows and connections to BigQuery from Power BI Service.

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