If populating from files, you need:
The new NIS+ domain name
The path of the appropriately edited text files whose data will be transferred
Your root password
If populating from NIS maps, you need:
The new NIS+ domain name
The NIS domain name
The NIS server's name
The IP address of the NIS server
Your root password
The NIS domain name is case-sensitive, while the NIS+ domain name is not.