WD My Cloud Time Machine fails “*.sparsebundle is already in use”

MJD

I have been using a WD My Cloud NAS for many years and have had very few problems with it apart from one where the time machine backup fails and when I try to set the time machine up again it always fails. There is a fix so I thought I would share it with any other WD My Cloud users who experiwnce the same issue.


  • Login to the WD My Cloud web interface. This is done by entering the following url into your browser address bar
    • Windows: http://wdmycloud/
    • macOS: http://wdmycloud.local
    • If you have changed the name of your WD My Cloud device then replace wdmycloud with the name of your device
  • Now enter your username and password and select Login
  • Select Settings
  • In the Mac Backups section click on the ON/OFF button so that it is turned OFF
  • Now click on the account button located top right
  • Select Reboot from the dropdown menu
  • You will now have to wait 5 minutes or so whilst your NAS reboots and initialises. Once complete you will need to open the web interface again
  • Login to the WD My Cloud web interface by entering the following url into your browser address bar
    • Windows: http://wdmycloud/
    • macOS: http://wdmycloud.local
    • If you have changed the name of your WD My Cloud device then replace wdmycloud with the name of your device
  • Now enter your username and password and select Login
  • Select Settings
  • In the Mac Backups section click on the ON/OFF button so that it is turned ON
  • Now open your System Settings and select Time Machine
  • Now click on Select Backup Disk...
  • Choose your WD My Cloud NAS and then select Use Disk
  • Enter the Username and Password for your NAS and then select Connect
  • You should now see a notification saying it is connecting
  • Once connected you should see your WD My Cloud is ready to start backing up again
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MJD