Both the E3 Server executing the Client Domain, and the one executing the Server Domain must have specific licenses for Remote Domains.

When this license exists, the E3 Server executing as Server starts accepting an unlimited number of external connections from other Domains. Likewise, in the E3 Server executing as a Client, users can establish an unlimited number of connections. For more information about limitations of E3's Demo mode, please check topic Limitations of Demonstration Mode.