After installing iManager, you can enable iManager to use IPv6 addresses.
Open the catalina.properties file in the installation directory, located by default in the following directories:
Linux: /var/opt/novell/tomcat9/conf/ directory
Windows: installation_directory\Tomcat\conf folder
Set the following configuration entries in the properties file:
java.net.preferIPv4Stack=false
java.net.preferIPv4Addresses=true
Restart Tomcat.