I am currently testing FoxPro applications on Server 2012R2

I have two scenarios:
- A single server with applications running on the server and RDP session to that server to run applications
- Two servers. One server has the applications and data and the other server has a UNC path mapped too the first server. RDP access to the second server is used to run the applications

I am currently experiencing performance issues. General usage of the applications (opening forms, using menus etc) are fine but when data especially large amounts of data is returned things slow down dramatically.

Each of the servers has 4GB memory and 4 cores. These machines are virtual machines.

I would appreciate if anybody has had similar issues and solved them to let me know what you did to solve this.?

Is it a bad option to run the applications over a UNC path?

What would be the optimal memory and core setup be?

Any other info that can point me in the right direction is much appreciated.