Visiconn, Cannot upload a file or access Administration when using Firefox, Asking to install Silverlight when it is already installed


  • Cannot access network awareness or upload a file in Visiconn.
  • Unable to switch accounts, getting message to download Silverlight.
  • Getting a message to update Silverlight:



  • Visiconn
  • Firefox 52.0 or later.



  • Download and install Firefox 52.0esr.
    • Firefox 52.0esr will support Silverlight until the beginning of 2018.
    • You may also have to remove your current pinned button or shortcut, and re-add it, as that button will not be using the updated version.

Work Around

  • Use Internet Explorer.
  • For Mac OS, use Safari.

KB ID: DD3588512

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