Can you have 'store a copy of all originals' enabled on 2 machines pointing to the same NAS location

I've just migrated my entire library from LRc to LR.  I completed the migration from my Windows machine where LRc was installed and it eventually sync'd everything and replicated a copy to my Synology NAS.  I also have LR installed on my Mac, and I also enabled 'store a copy of all originals' to the same NAS location.  I did this b/c I'd like to be able to use either machine and know that a copy is being pushed to the NAS.  The issue I've seen, is the Mac is extremely slow to do the initial sync. I turned off 'store a copy' on the Mac and it's now syncing pretty quickly.

So the question...is it NOT ok to have 'store a copy of all originals' enabled on two machines pointing to the same NAS location?