I want to use with the current vfp database (dbf files) and code, not to rewrite new project.
I tested it with terminal server by putting one EXE on the project and 15 users worked fine, but I ask about 20 users by terminal with one EXE and 20 by regular workstations with exe for each workstation.

>I suspect server is used not as simple file-server with dbf-files, but using some server OS, supported by SQL ? In that case there are no visible fears for overloading, because client-side application(s) can associate with SQL-server via VFP- SQL language.