map your shares location
move the iTunes folder in that share
If you are using Windows, hold down the Shift key and start iTunes.
If you are using a Mac, open iTunes and immediately hold down the Option key.
select the “choose library” option
navigate to the mapped drive go inside the itunes folder and double click the “.itl” file
*I’m not very mac frendly so if you need to know how to map a drive on ios google it.*
I think thats what you wanted if I interpreted your post correctly. Let me know…