MacServerIP Cluster - Update (to unlimited clients from unlimited clients MacServerIP 8/7/6 Server/Cluster) 2 Nodes with 4 Virtual Servers. For each update version a customer needs to send a copy of the MacServerIP invoice to cyan, further an old MacServerIP 8/7/6.x license code with the same number of clients is required, for updating to a 25 clients an old 20 clients license is required, for updating to 50 clients an old 40 clients license is required, for updating to a clients server license an old 10 client server license is required. The old license codes have to be registered at www.cyansoftware.com. Old means a MacServerIP 6,7 or 8 license code. A Workstation license can only be updated to a Workstation license. A Server license can only be updated to a Server license. A license transferred from one company to another company is not eligable for updates.