Maybe you need give permission for the user that running the Tableau service.
This folder is in your pc?
Yes, I created the extracts and they were saved to my C:drive. C:\Users\rwalker\Documents\My Tableau Repository\Datasources
the standard site Tableau suggested when I saved.
is this fixed? having a similar issue. thanks!
Since I have updated to 2018.1 I have not had the issue anymore.