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The issue occurs when the IWSVA web console is configured to use port 1812 but nothing is listening on it.

 
To see the configured port, go to Administration > Network Configuration > Web Console.
To confirm that port 1812 is not listening, run the command "lsof –i:1812".

To resolve the issue:

  1. Using an SSH client such as Putty, run the following commands:

    /usr/iwss/S99IScanHttpd stop
    /usr/iwss/S99IScanHttpd start

  2. If the issue persists, run this command:

    /usr/iwss/AdminUI/configtomcat restore

You can now access the IWSVA console.

Keywords: cannot open management console,unable to access UI,console error,IE cannot display product console,page cannot be displayed