Error message when you try to perform a backup on a Windows Vista-based computer: "0x80071A91"

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asked Feb 19, 2015 by anonymous


When you try to perform a backup on a computer running Windows Vista by using the Automatic File Backup feature, you receive the following error message:

“File backup could not save your automatic backup settings for the following reason:

Transaction support within the specified file system resource manager is not started or was shutdown due to an error. (0x80071A91)”

This problem occurs if the Windows file system transaction log is corrupted. The Windows file system uses the transaction log to recover system transactions when a file error occurs.


To resolve this issue, follow these steps:


  1. Go to Start
  2. Type cmd in the Start Search box, and then right-click cmd in the Programs list.
  3. Click Run as administrator, and then click Continue. If you are prompted for an administrator password or for confirmation, type the password, or click Allow.
  4. At a command prompt, type the following command, and then press ENTER:

fsutil resource setautoreset true c:\

  1. Restart your computer.

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