When connect SQL database in Primavera P6 Professional, we usually have problem like: Error Message:  Bad public user Name or password. SQL Server Error: [DBNETLIB][ConnectionOpen(Connect()).]SQL Server does not exist or access denied. Error message: Bad public user name or password. SQL Server Error: [DBNETLIB][ConnectionOpen (Invalid Instance()).] Invalid connection.;" Error Message:  Bad public user name or password. Database Server... Continue Reading →