You must have the following elements at the server side to use SQL Anywhere as an Open Server:
SQL Anywhere server components
You must use the network server (dbsrv12.exe) if you want to access an Open Server over a network. You can use the personal server (dbeng12.exe) as an Open Server only for connections from the same computer.
You must have a TCP/IP protocol stack to use SQL Anywhere as an Open Server, even if you are not connecting over a