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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 setenv.bat or setenv.sh file.


  1. Navigate to the installation directory for your Web Engagement Server and open the setenv.bat file for Windows — or the setenv.sh file for Linux — with a text editor.
  2. Find this line: set CUSTOM_JAVA_OPTS=-javaagent:lib/ext/jamm-0.2.5.jar.
  3. Below it, add the following:
    • In the setenv.bat file: set JAVA_OPTS=%JAVA_OPTS% -Djava.net.preferIPv6Addresses=true
    • In the setenv.sh file: JAVA_OPTS="${JAVA_OPTS} -Djava.net.preferIPv6Addresses=true"
  4. Save the file.


Note: If you plan to start Web Engagement Server as a Windows service you need to take additional steps to apply any changes in your setenv.bat file to the Windows service:

  1. Run server.bat remove to remove the existing Windows service.
  2. Run server.bat install to install the updated application as Windows service
This page was last modified on October 30, 2015, at 11:29.


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