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Why can't my GWE servers connect to other Genesys servers through IPv6?

If this happens, you should specify an additional JVM option (system property) called java.net.preferIPv6Addresses in the launcher.init or setenv.sh file.


  1. Navigate to the installation directory for your Web Engagement Server and open the server\launcher.ini file for Windows — or the server\setenv.sh file for Linux — with a text editor.
  2. For Windows:
    • Find this line: -Djava.net.preferIPv4Stack=true and change value of the option to false
    • Right after this line add new line: -Djava.net.preferIPv6Addresses=true
  3. For Linux:
    • Find this line: ENABLE_IPV6="false" and set value of the option to true
    • Uncomment line: IP_VERSIONS="4,6" and specify value of the option to the "6,4"
  4. Save the file.
  5. Restart Web Engagement Server.


This page was last edited on June 3, 2019, at 12:52.


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