So SMB shares were working fine (although kind of slow but that's another issue) and I wanted to get Time Machine backups working. I enabled the "Enhanced macOS Interoperability" SMB settings and configured the Time Machine shares and that worked no problem. Now when I mount a normal SMB share on my Mac, every time I copy even a single file, it hangs/timeouts and completely hangs the Finder. If I turn off "Enhanced macOS Interoperability" everything works fine (without the Time Machine shares). I have UnRaid 6.9.2