It fails to connect to the requested server if iManager is listening only on IPv4 address with the following error:
Unable to connect to the requested server. Verify the name/address and port.
To configure IPv6 for iManager to work with eDirectory, you must enable IPv6 using the following steps:
Set the following properties in the catalina.properties file and restart Tomcat.
Note that java.net.preferIPv4Stack applies for iManager to work with eDirectory and java.net.preferIPv4Addresses applies for browsers to work with iManager.
Go to, then add LDAP interfaces for the IPv6 addresses with port numbers.
Configure the Role-Based Services, then log out from the session and log in again.