Real-time watching of remote content is unreliable. It might work for some but it just doesn’t for others. If your NAS is setup to support SMB versions < 3.0 only, then real-time watching isn’t even available and a regular re-scan (I think every 4 hours is the default; go to Settings|Storage and use the 3-dots menu to check/change the settings on your watched folder) is used in stead. If I understand the post above correctly, then this regular re-scan is also used even when real-time watching is available – because it’s unreliable. So your options are:
- If real-time watching isn’t available in your current setup, you can try to enable SMB v3 support on your NAS and see if it works for you
- Wait until the regular re-scan finds your files
- Do a manual re-scan if you don’t want to wait
- Add an external USB drive or an internal hard disk that holds your library to your Nucleus+ and use the NAS to hold a backup
This as well as questions about how to transfer the library and other related question were already discussed here on the forum in-depth. You can use the forum search to find the related threads.