1. Make a directory junction after moving the backup storage location
    • robocopy “C:\Users\%USERNAME%\AppData\Roaming\Apple Computer\MobileSync” “D:\iphone_backups” /E /R:0 /NP /MOVE
    • mklink /J “%APPDATA%\Apple Computer\MobileSync\Backup” “D:\iphone_backups”
  2. Move iPhone Software Updates location
    • robocopy “C:\Users\%USERNAME%\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates” “D:\iphone_backups\iPhone Software Updates” /E /R:0 /NP /MOVE
    • mklink /J “%APPDATA%\Apple Computer\iTunes\iPhone Software Updates” “D:\iphone_backups\iPhone Software Updates”
  3. Change iTunes Media Location
    • Run iTunes > Edit > Preferences > Advanced > click on “Change” of iTunes Media folder location
    • Navigate to the new location (e.g. D:\iphone_backups) > Select Folder > OK