Hello,
Thank you for posting in Q&A forum.
Yes, according to the Microsoft Official Documentation, the mentioned steps are fine for NPS server migration.
Meanwhile please kindly:
1.Always back up the server before taking any change.
2.Take care of the NPS server configuration file and avoid any data leak.
To help other customers who may be facing the same issue, please don't forget to vote if the reply is helpful.
Best regards,
Jill Zhou