How can I check if SQL Server was installed correctly?
I installed SQL Server like this:
EXEC (ExpandConstant('{src}\SQLEXPR_x64_ENU.exe'), '/UPDATEENABLED=TRUE /ACTION=Install /INSTANCENAME='+MSSQL_NAMED_INSTANCE+' /CONFIGURATIONFILE='+ExpandConstant('{src}\setup.ini'), '', SW_HIDE, ewWaitUntilTerminated, Code)
Later on I need to do some things (starting SQL Server Windows service, detaching/attaching databases etc.) based on whether SQL Server was installed correctly or not.