The RPC server is unavailable. (Exception from HRESULT:
0x800706BA)
The likely culprit is that SAS is not, in fact, running as an exe. Check your workspace instantiations and make sure they are correct.
This blog is designed to show various ways to use Data Virtualization, technologies, and SAS with Microsoft technologies with an eye toward outside of the box thinking.
If you are doing code in C# and get this error when creating a LanguageService: The RPC server is unavailable. (Exception from HRESULT:...