Tried turning this off, and although the speed was increased when connecting to the farm, the same error message appears. I have done some logging on this and the connection from the citrix listed applications when you fire up an icon for the user which does not work does this: Connecting using ICA File (Server: ICOServer) [ApplicationServers] ICOServer= [Encoding] InputEncoding=ASCII [ICOServer] Client-Type=Internet IconPath=C:\Program Files\Citrix\ICA Client\wfica32.exe IconIndex=0 Connecting using ICA File (Server: ICOServer) [ApplicationServers] ICOServer= [Encoding] InputEncoding=ASCII [ICOServer] Client-Type=Internet IconPath=C:\Program Files\Citrix\ICA Client\wfica32.exe IconIndex=0 Connecting using ICA File (Server: ICOServer) [ApplicationServers] ICOServer= [Encoding] InputEncoding=ASCII [ICOServer] Client-Type=Internet IconPath=C:\Program Files\Citrix\ICA Client\wfica32.exe IconIndex=0 Now, on my machine as myself the ICOServer parts are replaced by the actual application name, and this connects ok. Tried this on my machine as the user which does not work and the same logs above come up and permission denied on the 1494 connection. But if I create a custom ICA file, and get the user to use this going to the same application logged in as him then it works ok. Really lost on this now.
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