How to enable Time Machine Backups on a Windows Share

Adapted from here

1. System Preferences -> Sharing -> Computer Name (*rename to something simple if necessary, like 'MacMini')

2. System Preferences -> Network -> Ethernet -> Advanced -> Ethernet ID (save without :)

3. Run command in terminal: hdiutil create -size 120g -fs HFS+J -volname "TM_{ComputerName}" "{ComputerName}_{EthernetID}.sparsebundle"

4. Copy the sparsebundle to the Windows share

5. Run command in terminal: defaults write com.apple.systempreferences TMShowUnsupportedNetworkVolumes 1

6. System Preferences -> Time Machine

7. Click Choose Backup Disk and pick network share

8. Click Use for backup

9. System Preferences -> Spotlight -> Privacy -> + -> Select window share under devices