Known issue - Data warehouse connection or query execution fails
You might receive an error when working with your data warehouse. The failure occurs when trying to connect to your data warehouse or trying to execute a query in the data warehouse.
Status: Open
Product Experience: Data Warehouse
Symptoms
When trying to connect to a data warehouse or when trying to execute a query in the data warehouse, you receive an error message. The error message is similar to: Execution failed against SQL server, please contact SQL Server team if you need further support. SQL error number 18456.
Solutions and workarounds
Retry the connection or query execution after a few minutes. If the retry attempt doesn't work, open a support ticket for further assistance.