Using both PBI desctop and web versions. That issue didn't happen before. Here is the full text of the error: Failed to update data source credentials: A network-related or instance-specific erro...
v-cazheng-msft
Community Support
Community SupportStatus changed:
New
to Investigating
Hi Sviatoslav ,
In addition to make sure the correctness of the service name and credential, please make sure your SQL Server database and the machine that installed the database is running properly including its startup status and the port needed. Also, please check the status of your on-premises data gateway and make sure it can connect the data source smoothly. If needed, upgrade it to the latest version.
Here is an official document related to connect to SQL Server that might help you as well.
Manage your data source - SQL - Power BI | Microsoft Docs
Best Regards,
Community Support Team _ Caiyun