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It is fairly common for your user name on a desktop computer to differ from your user name on a remote computer. To successfully connect to a remote computer, you must provide a valid user name for the computer to which you want to connect. You will have to create a host profile for the remote computer so VisIt knows your user name on that computer. Open the Host profiles window by clicking Host profiles in the Options menu. Create a new host profile for the remote computer and be sure to enter your correct user name for that remote computer. For more information on creating host profiles, read the Distributed Mode portion of the Remote Visualization section in the VisIt Users Manual.