I installed R and Rserve on my Tableau Server (Windows Server 2012R2) following this guide.
Unfortunately, the method describe in the guide to autorun Rserve at the startup as a backgound task does not work. in fact, Windows 2012R2 launches the script in StartUp folder only when a user logs on. The solution is to run Rserve as a service. The easiest way is to use NSSM (Non-Suckin Service Manager).
These are the steps I followed:
Go to Services and start manually the service for the first time. Otherwise, reboot the server.
Hope that other users find this guide helpful.