New Post: Renaming PerformancePointService Database

I am configuring SharePoint 2010 using the latest autospinstaller and the script is aborting when renaming PerformancePointService Database:

Exception : System.Management.Automation.MethodInvocationException:

                     Exception calling "Open" with "0" argument(s): "A netw
                    ork-related or instance-specific error occurred while e
                    stablishing a connection to SQL Server. The server was 
                    not found or was not accessible. Verify that the instan
                    ce name is correct and that SQL Server is configured to
                     allow remote connections. 

I have tried to let the script create dbalias still same error.