Thanks Michael for your answer, I feared I have to write a program which converts an intrinsic variable to a public variable, but I thought this would be done by MPE XL. Hi Costas, our DTC's are installed in two different factories and connected via a satellite connection to our HP 3000 net, and I think this configuration will continue for a while. Similar to my problem you can get the IP address via the session number of the streaming user. Ralph