Implementing Microsoft Dynamics NAV or Microsoft Dynamics 365 Business Central as your ERP system is not a turnkey project. Purchasing and implementing an ERP system is not like installing Microsoft Office, for which you run the Setup.exe file and are done with it (based on "next-next-end" philosophy). Implementing an EPR is a process and, with such a process, you need the people that are involved to actively participate in all phases of the implementation. How involved the client's team is will affect the final result of the implementation:
In the preceding diagram, you can see that implementing Microsoft Dynamics NAV or Microsoft Dynamics 365 Business Central on the partner side is a project that can be framed within a larger project, the implementation on the customer side. Depending on the scope of the project, the amount of work on each side may differ.
As in any project, defining goals is essential, to measure whether the project succeeds or not. Goals have to be...