SSIS C# script is not compatible

Question

I\'ve recently taken over a SSIS ETL based process and due to some licencing issues I had to upgraded from Data Tools 2013 to 2015. Most of the project survived the upgrade and

Answer 1

In my case changing SSIS packages to 32/64 bits, and setting target SQL version have not worked.

If you have this issue even if you set SQL Target Version to 2016, make sure that you are using correct version of SQL Server Deployment Wizard. If you are trying to deploy package on SQL2016, make sure that you have ISDeploymentWizard:

C:\Program Files (x86)\Microsoft SQL Server\130\DTS\Binn Server\130\DTS\Binn\ISDeploymentWizard.exe

If not, you have to install SSMS dedicated for SQL Server 2016 (download link) which will install ISDeploymentWizard. Backward compatiliby in higher version of SSMS will not install ISDeploymentWizard.

Probably ISDeploymentWizard for higher versions upgrades SSIS package to higher version, and SQL Server cannot downgrade it.