Start Time Machine from System PreferencesĦ. Go to Macintosh HD > Library > Preferences folderĥ. Go to Apple menu > System Preferences > Time Machineģ. To resolve this Time Machine backup issue, perform the following steps:ġ. The problem is not with the storage drive rather there is issue with macOS Mojave and Time Machine. The issue persists irrespective of the number of trials to back up the data. “ There was an error while copying files.”
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Time Machine Problem & Solution #2Īnother issue faced by Mac users after the Mojave upgrade-Time Machine backs up data to the drive but fails to complete the snapshot with the error: Solution: Mac users need to use a software, and Stellar Data Recovery Professional for Mac is an ideal choice in such a situation, as it supports the recovery of lost data from macOS Monterey, Big Sur, Catalina, Mojave and Time Machine device.
![time machine backup mac how long time machine backup mac how long](https://cdn.osxdaily.com/wp-content/uploads/2015/07/set-up-time-machine-backups-on-mac-os-x-2.jpg)
In such a shared system, by using the data access rights, if any non-privileged account holder has accessed and deleted data like Mail, Time Machine backups, etc., then it can result in data loss. Even non-admin account holders have the same access privilege as the admin. The resolution is fine for a single-user environment but undermines security in case of multiple user accounts. The message also suggests a resolution, “ Use the Privacy tab in the Security and Privacy preference pane to add Terminal to the list of applications which can access Application Data.”
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For example, the following code throws an error message when executed from Terminal:Īfter verifying the admin password, the OS throws the error: “ The operation could not be completed because tmutil could not access private application data on the backup disk.”Īlso Read: How to Recover Deleted Data without Time Machine
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The macOS Mojave update disallows usage of Time Machine utility command from Terminal.