Cannot use existng Time Machine Backup on OS X Server after changing password I'm backing up to a drive attached to an OS X Server via the Time Machine backup service. Recently I changed my password on OS X Server I had been authenticating with for the backup.

So, I had to remove the old drive and connect to the server backup location again, authenticating with my new password. However, it doesn't appear the my laptop is recognizing there is an existing backup because it shows "Latest backup: None". in Time Machine preferences after selecting the backup disk.

I don't want to start my backups over. Is there anyway I can continue backing up to my existing server backup?
For me, I had to delete the old password from the login / system key chain before it would let me connect again to my server.

Also, Time Machine won't show you the old backups until after it makes the first new backup, so you might need to clear the old password and then set up the destination again and then wait for the backup to finish.

At that point, the interface should show the old range. If it doesn't inherit the old backups, you have options, but there are some steps needed to get there first possibly.