![trustedconnection - Error while connecting to a SQL Server Database: not trusted connection - Stack Overflow trustedconnection - Error while connecting to a SQL Server Database: not trusted connection - Stack Overflow](https://i.stack.imgur.com/zX0NC.png)
trustedconnection - Error while connecting to a SQL Server Database: not trusted connection - Stack Overflow
C# warning: Login failed for user ''. The user is not associated with a trusted SQL Server connection.
![Step 6. Configure a Microsoft SQL Server Connection to Use Kerberos Authentication from the PowerCenter Workflow Manager Step 6. Configure a Microsoft SQL Server Connection to Use Kerberos Authentication from the PowerCenter Workflow Manager](https://docs.informatica.com/content/dam/source/GUID-D/GUID-DDAA3EB5-AA48-4DCF-B86F-D99866506263/1/en/GUID-81DF2055-0493-4C17-95F9-A65C9AA97E97-low.png/_jcr_content/renditions/original)
Step 6. Configure a Microsoft SQL Server Connection to Use Kerberos Authentication from the PowerCenter Workflow Manager
![SQL: (SQL Server) The certificate chain was issued by an authority that is not trusted - The Bit Bucket SQL: (SQL Server) The certificate chain was issued by an authority that is not trusted - The Bit Bucket](https://blog.greglow.com/wp-content/uploads/2019/12/ConnectDialogV2.png)
SQL: (SQL Server) The certificate chain was issued by an authority that is not trusted - The Bit Bucket
![authentication - Excel Data Connection to SQL Server using Windows Auth from untrusted machine - Database Administrators Stack Exchange authentication - Excel Data Connection to SQL Server using Windows Auth from untrusted machine - Database Administrators Stack Exchange](https://i.stack.imgur.com/CVXYz.png)
authentication - Excel Data Connection to SQL Server using Windows Auth from untrusted machine - Database Administrators Stack Exchange
![Connect to a SQL Server Data Source (SQL Server Import and Export Wizard) - SQL Server Integration Services (SSIS) | Microsoft Learn Connect to a SQL Server Data Source (SQL Server Import and Export Wizard) - SQL Server Integration Services (SSIS) | Microsoft Learn](https://learn.microsoft.com/en-us/sql/integration-services/import-export-data/media/connect-to-sql-with-net-provider.jpg?view=sql-server-ver16)