16.3 Licensing to use the NNMi IPv6 management feature
As mentioned earlier, you must purchase and install an NNMi Advanced license to use the IPv6 management feature. For details about obtaining and installing an NNMi Advanced license, see 2. Installing and Uninstalling NNMi.
The NNMi product includes a temporary Instant-On license password. This is a temporary, but valid NNMi Advanced license. Make sure to obtain and install a permanent license password as soon as possible.