For Kodak 900 PM is qualified with JDF Bi-Directional connectivity in Prinergy 9.5 please see New JTE Workflow - JDF/JMF with Device Track and Setup.
Set up a JMF connection between Prinergy and the Kodak Proper DFE Galil to submit digital print documents to Kodak Prosper 900 PM.
If your Prinergy server is on a network that uses a proxy server, you must bypass the proxy server in order to connect devices to Prinergy.
To do so, go to Control Panel > Internet Options > Connections > LAN Settings, and select the the Bypass proxy server for local addresses check box.
Note: You can also access this check box from the Tools menu in your Internet Explorer browser (Tools > Internet Options > Connections > LAN Settings).