You receive the "Microsoft Project was unable to establish a connection with the selected Microsoft Project Server" error message when you log on to M

You receive the "Microsoft Project was unable to establish a connection with the selected Microsoft Project Server" error message when you log on to Microsoft Project Server: "Connection failed:
SQLState: '01000'
SQL Server Error: 53
[Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Connect())
Connection failed:
SQLState '08001'
SQL Server Error: 17
[Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or access denied."