"When configuring APS, you create 4.x Agent objects to represent for the Help Desk (APSAdmin), Forgotten Password (FPS), and Change Password interface client components. However, agents that are configured to act as 4.x Agents do not support IPv6 addresses.
In a pure IPv6 environment, install and configure the APS client components on the same system as the Policy Server and use a loopback IP address (for example, 127.0.0.1) in the agent configuration.
Otherwise, use an IPv4 and IPv6 mixed environment.
IPv6 Addresses Not Supported by Web Agents Configured as 4.x Agent Types (65071) "
Even with servlet war APS solution, IPv6 support is not added/tested as it is still relying on same configuration(using the same agent objects). DE432905