Poldy,

Because the original SQL Express redistributables are VERY large (e.g. x86 + x64 = 370MB) they are not (and will not be) available as Core PreRequisites. You have to download the redistributables from the Microsoft website.

We have "rt_sql2012expr_x86.sbi" (SQL Express 2012) and "rt_sql2014expr_x86.sbi" (SQL Express 2014) include scripts available. We'll make them available for SetupBuilder 10 soon.

Friedrich