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    Error "Unexpected Error ... Invalid argument" or "Session Ended by Server" Viewing Dashboards in Internet Explorer

    Published: 16 Apr 2014
    Last Modified Date: 12 Aug 2016

    Issue

    When you try to view a dashboard in Internet Explorer 8, the following errors might occur:
     
    Unexpected Error
    An unexpected error occurred. If you continue to receive this error please contact your Tableau Server Administrator.
    Invalid argument
     
    Or:

    Session Ended by Server
    An unexpected error occurred. If you continue to receive this error please contact your Tableau Server Administrator.
    Would you like to reset the view?


     

    Environment

    • Tableau Server 8.0 and 8.1
    • Internet Explorer 8

    Resolution

    Decrease the number of vizql processes to two. For more information, see Reconfigure Processes.

    Cause

    The computer running Tableau Server is running out of system resources.
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